List of Casio ROM Packs

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Below is a partial list of Casio ROM Packs. Information in this list was obtained from a multitude of sources including auction listings and various Web sites, so is probably not completely accurate, and is almost certainly incomplete. (I do not own all of the ROM Packs on this list.)

This list focusses on International ROM Packs, i.e. those that were sold outside of Japan. There are a huge number of Japanese ROM Packs which, to the best of my knowledge, were only ever sold in the Japanese market - Sourcream has put together a much better list of Japanese ROM Packs, which is more comprehensive than my list.

Casio were very kind to future collectors, and assigned each ROM pack a unique 3-digit number, prefixed "RO-". Some Japanese releases also have a single-letter suffix, the significance of which is unknown, but in most cases seems to be the first letter of the English translation of the pack title.

There are some tantalising gaps in the numbering: RO-202, RO-203 and RO-267 are conspicuous by their absence from the list.

It has been suggested that RO-267 was not released as a ROM Pack because the ROM was instead embedded in the Casio EP-20 Muppets keyboard. Although I cannot verify this, it seems a plausible explanation for the absence of RO-267.

As for the missing RO-202 and RO-203, the best explanation I can come up with is that these were planned, and advertised, but unreleased.

Here comes the list (last updated: 30th December 2021. As of this update, there are 168 known unique ROM Packs, of which 104 are believed to have been sold only in Japan. )

RO-xxx	ROM Title	Tunes	Comments
RO-201	Fun with your Casio Keyboard	1. You Are the Sunshine of my Life (PT-50) 2. Misty (PT-50) 3. Yesterday Once More (PT-50) 4. When the Saints Go Marching In (PT-50) 5. Star Wars (PT-50) 6. Sir Duke (PT-50) 7. Air for the G String (PT-50) 8. Sunrise, Sunset (PT-50) 9. Feelings (PT-50) 10. Greensleeves (PT-50) 11. Love Me With All Your Heart (Cuando Calienta El Sol) (PT-50) 12. Ciribiribin (PT-50) 13. More (PT-50) 14. Brazil (Aquarela Do Brasil) (PT-50) 15. Adios (PT-50)	I believe this pack was supplied with the PT-50 and MT-800 keyboards.
RO-204	Supergroups	1. Tijuana Taxi (Herb Alpert) 2. Still (Commodores) 3. Proud Mary (Creedance Clearwater Revival) 4. Colour my World (Chicago) 5. California Girls (Beach Boys) 6. If (Bread) 7. The Boy from New York (Manhattan Transfer) 8. All out of Love (Air Supply) 9. Babe (Styx) 10. Hard to say I'm sorry (Chicago) 11. This Time I'm in it for Love (Player) 12. Only the Lonely (The Motels) 13. Daydream Believer (Monkees) 14. Goodbye Stranger (Supertramp) 15. Make me smile (Chicago) 16. Eye in the Sky (Alan Parsons Project) 17. The Logical Song (Supertramp)
RO-251	How to Play your Casio ROM Keyboard	1. Beautiful Brown Eyes 2/3. Marianne 4/5. Skaters Waltz 6. Du, Du, Liegst Mir Im Herzen 7. Chopsticks 8/9. When the Saints Go Marchin' In 10. My Wild Irish Rose 11. Michael, Row The Boat Ashore
RO-252	Film Classics	1. Fame 2. For Your Eyes Only 3. Up Where We Belong 4. Gonna Fly Now
RO-253	Pop/Rock	1. Thriller 2. Don't Be Cruel 3. It's Still Rock And Roll to Me 4. Karma Chameleon
RO-254	Movie Pops	1. Arthur's Theme 2. Eye Of The Tiger 3. Can You Read My Mind 4. The Summer Knows
RO-255	Rock On	1. Listen to the Music 2. Escape (The Pina Colada Song) 3. Ventura Highway 4. Slow Hand	My example is titled "Rock On," but RO-255 is referred to as "Soft Rock" in the list of ROMs on the back cover of the RO-553 booklet.
RO-256	Top Pops	1. Love Story 2. Scarborough Fair 3. Have You Never Been Mellow 4. Top of the World
RO-257	Super Songs	1. Tijuana Taxi 2. Colour My World 3. The Boy from New York City 4. Hard to Say I'm Sorry
RO-258	Latin Hits	1. El Cumbanchero (PT-82) 2. Sway (Quien Sera) (PT-82) 3. Guantanamera (PT-82) 4. Tico-Tico (PT-82)
RO-259	Pop Hits	1. Fascination (PT-82) 2. Song of the Pearl Fisher (PT-82) 3. Besame Mucho (Kiss Me Much) (PT-82) 4. An Old Fashioned Love Song (PT-82)
RO-260	Music Collection	1. You Are The Sunshine Of My Life 2. Feelings 3. Brazil 4. Mona Lisa
RO-261	Pop Selection	1. The Entertainer 2. Eye in the Sky 3. Goodbye to Love 4. We've Only Just Begun
RO-262	Country Greats	1. Drivin' My Life Away 2. Don't It Make My Brown Eyes Blue 3. Nine to Five 4. On The Road Again
RO-263	Hymns & Gospel	1. Oh Happy Day 2. He's got the Whole World in His Hands 3. Will the Circle be unbroken 4. Amazing Grace
RO-264	Pop Country	1. Could I Have This Dance 2. (There's) No Gettin' Over Me 3. Take Me Down 4. To All the Girls I've Loved Before
RO-265	Pop Superstars	1. Against All Odds 2. Born in the USA 3. Holiday 4. We Don't Need Another Hero
RO-266	Songs for Children	1. Alphabet Song 2. Farmer in the Dell 3. I'm a Little Teapot 4. I've Been Working on the Railroad 5. Mary Had a Little Lamb 6. Old Macdonald 7. Ten Little Indians 8. This Old Man	Some of the songs on this pack are not as I remember from my childhood. "The Alphabet Song" is basically "Twinkle Twinkle Little Star" slightly modified to make it fit a recitation of the alphabet, while "Ten Little Indians" I know better as "Michael Finnegan". The tune called "Mary Had a Little Lamb" is "Merrily We Roll Along". I have never heard "Mary Had a Little Lamb" sung to this tune - I only ever knew it as a rhyme.
RO-268	Golden Hits	1. Mona Lisa 2. Moon River 3. A Time For Us 4. Speak Softly Love
RO-269	Rhythm and Blues	1. Carribbean Queen 2. Emergency 3. How Will I Know 4. Nightshift
RO-270	Christmas	1. Jingle Bells (PT-82) 2. Silent Night (PT-82) 3. Joy to the World (PT-82) 4. Here Comes Santa Claus (PT-82) 5. Silver Bells (PT-82) 6. Santa Claus is Comin' to Town (PT-82)	See also RO-357.
RO-271	Beatles No.1 Hits	1. Eight Days a Week 2. Hey Jude 3. Penny Lane 4. Yesterday	This seems to be the rarer of the two international Beatles packs (the other being RO-353). See also RO-182B.
RO-272	Rock & Roll Classics	1. Bad Moon Rising (MT-18) 2. Chantilly Lace (MT-18) 3. The Dock of the Bay (MT-18) 4. I'm Walkin' (MT-18) 5. Respect (MT-18)
RO-273	Best of Motown	1. I Hear a Symphony 2. I Heard it Through the Grapevine 3. My Girl 4. My Guy
RO-274	Hot Pop & Rock	1. Dancing In The Dark 2. King For A Day 3. These Dreams 4. Walk Of Life
RO-275	Today's Superstars	1. Greatest Love of All 2. Overjoyed 3. Rhythm of the Night 4. What's Love Got to do With It?	RO-275 was apparently supplied with an SK-8 Sampling Keyboard.
RO-276	T.V. Tunes	1. Theme from Hill Street Blues 2. Theme from Cheers 3. Theme from Dynasty 4. Theme from St Elsewhere
RO-277	When You Wish Upon A Star and Other Disney Movie Songs	1. When You Wish Upon A Star 2. Some Day My Prince Will Come 3. Heigh Ho 4. Who's Afraid of the Big Bad Wolf? 5. Whistle While You Work	RO-277 is listed as "Disney Movie Songs" on the back card from RO-272.
RO-278	Songs of Sesame Street	1. Green (Bein' Green) 2. Rubber Duckie 3. Sesame Street Theme 4. Sing
RO-279	Solid Gold Rock & Pop	1. All I Need is a Miracle 2. Back in the High Life Again 3. La Isla Bonita 4. Land of Confusion
RO-280	Star-Studded Rock	1. The Final Countdown (Europe) 2. Here I Go Again (Whitesnake) 3. Livin. on a Prayer (Bon Jovi) 4. You Belong to the City (Glenn Frey)
RO-281	Chartbusting Pop	1. Heaven is a Place on Earth 2. Moonlighting 3. Saving All My Love For You 4. Who's That Girl
RO-282	New Kids on the Block Greatest Hits	1. Step By Step 2. (You've Got It) The Right Stuff 3. I'll Be Loving You (Forever) 4. Cover Girl	Appears to be exactly the same as RO-559 and RO-560. I suspect RO-282 may be the retail version, while RO-559 and RO-560 were bundled versions.
RO-301	Popular Hits / Easy Listening	1. Speak Softly Love (Love Theme From "The Godfather") 2. Moon River 3. Love Story ("Where Do I Begin") 4. Entertainer 5. The Way We Were 6. Song From Moulin Rouge 7. We've Only Just Begun 8. Scarborough Fair 9. Born Free 10. Snowbird 11. Wonderland By Night 12. Have You Never Been Mellow 13. I Won't Last A Day Without You 14. It's Going To Take Some Time 15. Danke Schoen 16. L-O-V-E 17. Cabaret 18. The Look Of Love	RO-301, RO-302 and RO-303 often seem to appear together, and usually with a PT-50 or MT-800 Keyboard. I suspect they were often sold as a bundle, along with either of those keyboards. The Japanese version of this pack is titled "Easy Listening"
RO-302	Latin	1. Amor 2. Besame Mucho 3. El Cumbanchero 4. Frenesi 5. Green Eyes 6. Magic is the Moonlight 7. Mas Que Nada 8. Perfidia 9. Tico-Tico 10. You belong to my Heart 11. The Breeze and I 12. Coo Coo Roo Coo Coo Paloma 13. Amapola 14. Alla En El Rancho Grande 15. Guantanamera 16. Granada 17. Maria Elena 18. Sway	My RO-302 seems to have a slightly warped casing, but it still locks into position properly and works perfectly.
RO-303	Easy Listening / Easy Listening [2]	1. Top Of The World 2. Calcutta 3. Fascination 4. Green Green Grass Of Home 5. I Believe In Music 6. Mona Lisa 7. Song Of The Pearl Fisher 8. Spanish Eyes 9. Strangers In The Night 10. A Time For Us (Love Theme From "Romeo And Juliet") 11. Goodbye To Love 12. Bless The Beasts And The Children 13. An Old Fashioned Love Song 14. Ben 15. Nadia's Theme 16. The Diary 17. Beyond the Reef	The tune list on the pack label is in the wrong order. Tune 1 is actually "Top Of The World" while Tune 10 is "A Time For Us". The accompanying booklet lists the tunes in the correct order. The list at WarrantyVoid also gives an additional tune 14. Call Me (Theme From "American Gigolo") which is not present on my example. The Japanese version of RO-303 is called "Easy Listening [2]".
RO-351	Best of Carpenters	1. Only Yesterday (PT-82) 2. Rainy Days and Mondays (PT-82) 3. Please Mr. Postman (PT-82) 4. Hurting Each Other (PT-82)
RO-352	All Time Movie Hits	1. Chitty Chitty Bang Bang (MT-820) 2. Somewhere, my Love 3. Never on Sunday 4. The Shadow of your Smile
RO-353	Beatles	1. OB-LA-DI, OB-LA-DA (PT-82) 2. Michelle (PT-82) 3. P.S. I love You (PT-82) 4. Let it be (PT-82)	See also RO-271 and RO-182B.
RO-354	Pop Themes	1. Live for Life 2. Aquarius 3. From Russia with Love 4. Baby Elephant Walk (PT-50)
RO-355	Jazz Standards / Great Standards	1. On The Sunny Side of the Street 2. Georgia On My Mind 3. I Left My Heart in San Francisco 4. Memories of You	The earlier (1984) edition of this pack is labelled "Jazz Standards" while the later (1986) edition is "Great Standards." There are apparently no other differences between the editions.
RO-356	Disney Movie Magic	1. When You Wish Upon A Star 2. Some Day My Prince Will Come 3. Heigh-Ho 4. La-La-Lu 5. Bibbidi-Bobbidi-Boo 6. Chim Chim Cheree	Japanese versions of this pack exist as RO-356 and RO-356D.
RO-451	Chinese Folk Songs [1]	1. (Tong Nian) During Childhood 2. Endless Everloving 3. Lover's Tear 4. Perfularia	Pack title and tune titles are in Chinese, with English translations of the tune titles given in the booklet. My example came from Thailand, so this pack may have been released more widely across Asia.
RO-452	Most Popular Songs [Chinese]	[4 Tunes in total]	Listed on the back of the RO-553 Booklet. Title is in Chinese. Presumably only released in Asia.
RO-453 II	Arabian Nights	1. Touba (Repentance) 2. Bahlam Bik (I Dream of You) 3. Awal Marra (First Time) 4. Owlly Hagah (Tell Me Something)	4 songs by Egyptian singer Abdel Halim Hafez. English titles are loose translations. The Roman "2" suffix after the RO-number is interesting. Was there an "RO-453 I"?
RO-454	Popular Hindi Film Songs	[4 Tunes in total]
RO-456	Beautiful Arabian Music	1. Asmar Arab (Composed by T. A. Hakeem) 2. Ayooh (Composed by M. Abdu) 3. Magadeer (Composed by S. Omar) 4. Nasheed Alwatan (Composed by S. Omar)	Came with the SK-8A keyboard.
RO-457	Arabian Song Selections		Listed in the back of the booklet that came with RO-453.
RO-458	Dongge Golden Melodies 1 [Chinese]		Listed in the back of the booklet that came with RO-453. Title written in Chinese.
RO-459	Dongge Golden Melodies 2 [Chinese]		Listed in the back of the booklet that came with RO-453. Title written in Chinese.
RO-460	Popular Mandarin Songs [Chinese]		Listed in the back of the booklet that came with RO-453. Title written in Chinese.
RO-461	Taiwanese Classic Songs	[4 Tunes in total]
RO-462	Les Antilles: Misik An Nou (The Antilles: Our Music) [Haitian]		Listed in the back of the booklet that came with RO-453. Title is in Haitian Creole.
RO-551	World Songs	1. Unterlanders Heimweh (PT-82) 2. Greensleeves (PT-82) 3. Die Lorelei (PT-82) 4. Old Folks at Home (PT-82)	Demo ROM, supplied with a number of keyboard models.
RO-552	Classic	1. Chopin's Nocturne 2. Schubert's Serenade 3. Tchaikovsky's Piano Concerto No.1 4. Scene From "Swan Lake"
RO-553	Have Fun with Hopsie!	1. Hopsie's Song 2. The Flower Song 3. The Strawberry Song 4. Mountain Climbing 5. Butterfly 6. Dance of a Little Bird 7. Cuckoo 8. Camptown Races 9. Jump! 10. Frog Chorus 11. Snowy Night 12. Twinkle Twinkle Little Star	"A Guide to the Casio Keyboard" "Music for Little Ones" "Let's Play the PT-80" Supplied with stickers for the PT-80 to help children use the ROM and booklet. I suspect this ROM may have been available only in Australia. RO-164 appears to be the Japanese version.
RO-554	Family Songs	1. When the Saints Go Marching In 2. Santa Lucia 3. Long Long Ago 4. Ach Du Lieber Augustin 5. The Stagecoach 6. Air on the G String	Demo ROM supplied with a number of keyboard models.
RO-555	Home Melodies	1. When the Saints Go Marching In 2. Air on the G String 3. Jingle Bells 4. Chopin's Nocturne 5. March from "Nutcracker"	Probably bundled with the SK-8 keyboard.
RO-556	DH Songs & Rhythms	1. When The Saints Go Marching In 2. Chopin's Nocturne 3. Air on the G String 4. I Have Lost the Doh of my Clarinet [5 - 20 are Rhythms only]	Supplied with the DH-800 Digital Horn
RO-557	Family Collection	1. When The Saints Go Marching In 2. Air on the G String 3. The Stagecoach 4. Jingle Bells 5. Chopin's Nocturne	Apparently came with a PT-280 Keyboard. Thanks to RollingEyeball for the information.
RO-558	Kids Selection	1. Ai ai! 2. Picnic 3. Jingle Bells 4. Beneath The Great Chestnut Tree 5. Twinkle Twinkle Little Star	I am told that this pack was bundled with a KS-03 Sound Kids Keyboard. Thanks to CYBERYOGI Christian Oliver(=CO=) Windler of WarrantyVoid for the information on this pack.
RO-559	New Kids on the Block Greatest Hits	1. Step by Step 2. (You've got it) The right stuff 3. I'll be loving you (forever) 4. Cover Girl	This ROM was bundled with a CT-840 keyboard. It is the only ROM I have seen that was published by "Hal Leonard Publishing Corporation" (apart from RO-560 and RO-282, which seem to be exactly the same).
RO-560	New Kids on the Block Greatest Hits	1. Step By Step 2. (You've Got It) The Right Stuff 3. I'll Be Loving You (Forever) 4. Cover Girl	Bundled with a CT-840 keyboard. Seems to be exactly the same as RO-559 and RO-282.

"Clone" ROM Packs

These ROM Packs were bundled with "clones" of Casio keyboards, sold under different brand names. Usually the word "Casio" is just replaced with a different brand name; only the Liwaco ROM uses a redesigned label. I assume these rebranded ROMs are electronically identical to their Casio counterparts, and only the label is different.

I have never seen any rebranded ROM Packs other than those that were bundled with the rebranded keyboards. Were there any?

ROM	ROM Title	Tunes	Comments
Baldwin BRP-1	World Songs	1. Unterlanders Heimweh 2. Greensleeves 3. Die Lorelei 4. Old Folks and Home	This is a clone of Casio RO-551, bundled with the Baldwin Discoverer 60 keyboard, itself a clone of the Casio CT-810.
Concertmate RO-555	Home Melodies	1. When the Saints Go Marching In 2. Air on the G String 3. Jingle Bells 4. Chopin's Nocturne 5. March from "Nutcracker"	Clone of RO-555 bundled with the Realistic Concertmate 800 keyboard, itself a clone of the Casio SK-8.
Liwaco ROM	"Liwaco ROM"	1. Unterlanders Heimweh 2. Greensleeves 3. Die Lorelei 4. Old Folks at Home	This is a clone of Casio RO-551, supplied with Liwaco's clones of Casio keyboards. My example came with my Liwaco LW-80, itself a clone of the Casio PT-82. The Liwaco ROM can be used in Casio keyboards, and Casio ROMs can be used in the Liwaco LW-80.
Sonnet ROM Pack	World Songs	1. Unterlanders Heimweh 2. Greensleeves 3. Die Lorelei 4. Old Folks and Home	Spotted this for sale on eBay US. It was being sold together with a bundle of normal Casio keyboards. This appears to be a clone of RO-551, presumably bundled with some rebadged keyboard, although I can find no other information about the "Sonnet" brand.

"Vapourware" ROM Packs

Some early promotional material from Casio mentioned two additional ROM Packs, entitled "Movie Themes" and "Rock On," but the RO-numbers for these packs were never given. I have never seen any other references to these two ROM Packs anywhere, which leads me to believe that they were planned (and possibly even created) but never actually released. My guess is that they were originally intended to be RO-202 and RO-203, but for some reason they never made it to market.

The tune lists below are as given in the promotional leaflets.

ROM Title	Tunes
Movie Themes	1. Days Of The Wine And Roses 2. Secret Love 3. The Summer Knows (From "Summer of '42") 4. Theme From A Summer Place 5. Evergreen (Love Theme From "A Star Is Born") 6. Goodbye Girl 7. Song From "10" (It's Easy To Say) 8. Arthur's Theme (The Best That You Can Do) 9. Can You Read My Mind? (Love Theme From "Superman") 10. Chariots Of Fire 11. Eye Of The Tiger (Theme from "Rocky III") 12. Theme From "Superman" 13. A Time For Love (From "An American Dream") 14. I'll Wake You Up When I Get Home (From "Every Which Way But Loose")
Rock On	1. The Beat Goes On 2. (Your Love Has Lifted Me) Higher And Higher 3. I Dig Rock And Roll Music 4. Lonely People 5. Never My Love 6. Mr. Bojangles 7. Peaceful Easy Feeling 8. You're Sixteen 9. Escape (The Pina Colada Song) 10. Him 11. My Special Angel 12. The Old Songs 13. Ventura Highway 14. Slow Hand 15. Swayin' To The Music (Slow Dancin') 16. Undercover Angel 17. In The Midnight Hour 18. Listen To The Music

ROM Title

Tunes

Movie Themes

1. Days Of The Wine And Roses
2. Secret Love
3. The Summer Knows (From "Summer of '42")
4. Theme From A Summer Place
5. Evergreen (Love Theme From "A Star Is Born")
6. Goodbye Girl
7. Song From "10" (It's Easy To Say)
8. Arthur's Theme (The Best That You Can Do)
9. Can You Read My Mind? (Love Theme From "Superman")
10. Chariots Of Fire
11. Eye Of The Tiger (Theme from "Rocky III")
12. Theme From "Superman"
13. A Time For Love (From "An American Dream")
14. I'll Wake You Up When I Get Home (From "Every Which Way But Loose")

Rock On

1. The Beat Goes On
2. (Your Love Has Lifted Me) Higher And Higher
3. I Dig Rock And Roll Music
4. Lonely People
5. Never My Love
6. Mr. Bojangles
7. Peaceful Easy Feeling
8. You're Sixteen
9. Escape (The Pina Colada Song)
10. Him
11. My Special Angel
12. The Old Songs
13. Ventura Highway
14. Slow Hand
15. Swayin' To The Music (Slow Dancin')
16. Undercover Angel
17. In The Midnight Hour
18. Listen To The Music

Japanese ROM Packs

Below is a list of Japanese ROM Packs I have seen references to, which I believe were only sold in Japan. There are probably many more Japanese packs that I don't know of.

RO-xxx	ROM Title	Tunes	Comments
RO-101	The Hit Parade	[19 Tunes in total]	RO-101 and RO-102 were supplied with the PT-50 and MT-800 keyboards in Japan.
RO-102	Hit Songs (?)	[18 Tunes in total]	RO-101 and RO-102 were supplied with the PT-50 and MT-800 keyboards in Japan.
RO-103	New Music	[16 Tunes in Total]	Probably available only in Japan.
RO-104	Enka Vol.1
RO-105	New Music [2]	[15 Tunes in total]
RO-106	Enka [2]	[17 Tunes in total]
RO-107	New Music [3]	[15 Tunes in total]	Probably only available in Japan.
RO-108	Enka [3]		Thanks to Sourcream for the picture of this pack.
RO-109	New Music [4]	[15 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-110	Easy Listening [3]	[17 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-111	Enka [4]	[15 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-113	Young Best Hits	[15 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-114	Enka [5]		Thanks to Sourcream for the picture of this pack.
RO-116	Young Hits [2]	[15 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-117	New Music [5]	[15 Tunes in total]	Sold on Japanese web site Digimart, together with an MT-88 keyboard. Probably available only in Japan.
RO-118	Screen Themes [3]	[15 Tunes in total]
RO-119	Children's Songs [3]	[20 Tunes in total]
RO-121N	Enjoy Chord Guide	[16 Tunes in total]
RO-122Y	Young Best Hits [2]	[15 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-124Y	Young Best Hits [6]	[20 Tunes in total]
RO-125E	Enka [9]	[20 Tunes in total]	Probably available only in Japan.
RO-126Y	Young Best Hits [7]	[20 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-127E	Enka [11]
RO-128P	Oldies	[20 Tunes in total]	Probably available only in Japan.
RO-129E	Enka [12]
RO-130Y	Young Best Hits [10]	[20 Tunes in total]
RO-131Y	New Music Best [1]	[20 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-132Y	New Music Best [2]	[20 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-133E	Introduction to Karaoke Hits [1]	[20 Tunes in total]
RO-151	Paul Mauriat	1. El Bimbo 2. Nocturne 3. Penelope 4. Toccata	I had personally never heard of Paul Mauriat until I saw this ROM Pack. He is almost unknown in the UK (his only hit being "Love Is Blue" which reached No. 12 on the UK chart in 1968), but seemed to be hugely successful in the USA and Japan. Thanks to Sourcream for the picture of this pack.
RO-152	Enka	[4 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-153	Diamond Pupils	[4 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-155	Anime	[4 Tunes in total]	Thanks to Sourcream for the picture of this pack (the title on my example has faded to a pale yellow colour).
RO-156	Fun Keyboard Lessons	[5 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-157	Kayokyoku	[4 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-158	Songs for Children [1]		Sold on Yahoo! Japan Auctions in 2008. Probably available only in Japan.
RO-159	Children's Songs [2]	[6 Tunes in total]	Probably available only in Japan.
RO-162	Anime [2]	[4 Tunes]
RO-163	Pops	1. Thriller 2. I Like Chopin 3. They Don't Know 4. 99 Luftballoons	A selection of pop hits from 1983.
RO-164	Play with Pack-chan		Seems to be a Japanese market version of RO-553, packaged for the PT-82 rather than the PT-80, and the eponymous rabbit named Pack-chan instead of Hopsie. Thanks to Sourcream for the picture of this pack.
RO-165	Fun Keyboard Lessons	[Unknown]	Listed on the back of the RO-119 booklet.
RO-166	Animation Themes [3]	[5 Tunes in total]	Thanks to Johan Veenstra for the picture of this pack. Probably available only in Japan.
RO-167K	Children's Songs [6]	[10 Tunes in total]	Probably available only in Japan.
RO-168K	Children's Songs [7]	[10 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-169A	Animation Themes [4]	1. Dragonball - Makafushigi Adobench?!/Mystical Adventure! 2. Dragonball - Romantikku Ageru Yo/I?ll Give You A Romantic Night 3. Ultra B - Babibabibabibu UltraB 4. Esper Mami - Teleportation ~Unidentified Love~ 5. GeGeGe no Kitaro - Theme from GeGeGeno Kitaro 6. The Three Musketeers Anime - Dream Adventure 7. Saint Seiya - Pegasus Fantasy 8. Norakuro Kun - Hold Me	Thanks to Aaron Lee for the picture and information on this pack. Probably available only in Japan.
RO-170A	Animation Themes [5]	[8 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-171l	Event Songs	[6 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-172G	Game Music	From "Dragon Quest III" 1. Overture 2. City 3. Village 4. Beyond the Sea 5. Combat Theme 6. And to the Legend...	Thanks to Sourcream for the picture of this pack.
RO-173Y	Young Hits [3]	[5 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-174Y	Young Hits [4]	[5 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-175K	Children's Songs [8]	[5 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-176Y	Young Hits [5]	[6 Tunes in total]	Probably available only in Japan.
RO-177K	Children's Songs [9]	[10 Tunes in total]
RO-178A	Animation Themes [6]	[7 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-179K	Childrens' Songs [10]		Thanks to Sourcream for the picture of this pack.
RO-180X	Christmas Songs [2]	[7 Tunes in total]
RO-181S	Standards [2]	1. All Of Me 2. As Time Goes By 3. Autumn Leaves 4. Day By Day 5. It's Only a Paper Moon 6. Days of Wine and Roses 7. You'd Be So Nice to Come Home To
RO-182B	Beatles [2]	1. Yesterday 2. I Want to Hold Your Hand 3. And I Love Her 4. Yellow Submarine 5. Lady Madonna 6. Day Tripper 7. Please Please Me	Seen for sale on Yahoo! Japan Auctions. Probably only available in Japan. The title of this pack implies that there was also a "Beatles [1]" - but did this refer to one of the international Beatles packs (RO-271 and RO-353) or was there another Japan-only Beatles compilation?
RO-183C	Comic Songs	[7 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-184T	Elementary School Music [1]	[15 Tunes in total]
RO-185T	Elementary School Music [2]	[15 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-186T	Elementary School Music [3]	[13 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-187K	Children's Songs [11]	[10 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-188Y	Young Hits [6]	[5 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-189A	Animation Themes [7]	1. High-speed squadron turbo ranger 2. Find St. Jewel! 3. I Doraemon 4. CHA-LA HEAD-CHA-LA 5. Sazae-san family 6. Dang Dang Anxious 7. With love from the kitchen	Thanks to Sourcream for the picture of this pack.
RO-190K	Children's Songs [12]	[5 Tunes in total]	Probably available only in Japan.
RO-191Y	Young Best Hits [8]	1. I'm sorry tears 2. Akisutozeneko 3. TIME ZONE 4. Say hello to our dreams 5. BE MY BABY 6. Runner	Thanks to Sourcream for the picture of this pack.
RO-192Y	Young Best Hits [9]	[7 Tunes in total]
RO-193Y	Young Hits [7]	[5 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-195G	Game Music [2]	[9 Tunes in total]
RO-196K	Children's Songs [13]	[9 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-357	Christmas Songs	1. Jingle Bells 2. Silent Night 3. Here Comes Santa Claus 4. Joy to the World 5. I Saw Mommy Kissing Santa Claus 6. Santa Claus is Comin' To Town	Another version of this pack exists as RO-357X, with a green title strip. Seems to be the Japan-only version of RO-270, with the tracks reordered and "Silver Bells" replaced by "I Saw Mommy Kissing Santa Claus."
RO-581	Family Selection	1. The Dog Policeman 2. Goat Letters 3. Doraemon's Song 4. Jingle Bells 5. Dragonfly's Glasses 6. My Way	Most of the songs are Japanese children's songs - English titles given are loose translations. Thanks to Sourcream for the picture of this pack.
RO-582	DH Tunes & Rhythms	1. When the Saints Go Marching In 2. Underneath the Spreading Chestnut Tree 3. Dragonfly's Glasses (Japanese folk song) 4. Kanpai (Lit. Cheers, Some other Japanese song) 5. Kita Sakaba (North Tavern/Bar, Japanese Enka song) [6 to 17 are rhythms only. 19 and 20 play single notes, presumably for tuning purposes. ]	Supplied with the DH-280 Digital Horn. Probably available only in Japan. Thanks to Aaron Lee for the title translations, and to Sourcream for the updated translation for Song 5.
RO-584	Intro Address Pack (?)	[30 Tunes in total]	This packs seems to be part of some kind of "Guess the Intro" type game. The 30 tunes apparently play intros only. Thanks to Sourcream for the picture of this pack.
RO-601E	Enka [6]		Seen for sale on Yahoo! Japan Auctions. Probably sold only in Japan.
RO-602Y	Young Best Hits [3]	[8 Tunes in total]
RO-603P	Pops [2]	[6 Tunes in total]	Titles are printed in Japanese, with small English language translations beneath each title.
RO-604E	Enka [7]		Seen for sale on Yahoo! Japan Auctions. Probably sold only in Japan.
RO-605Y	Young Best Hits [4]	[8 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-606K	Songs for Children [4]		Sold on Yahoo! Japan Auctions in 2008. Probably available only in Japan.
RO-607K	Children's Songs [5]	[10 Tunes in total]
RO-608Y	Young Best Hits [5]	[6 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-609K	Children's Songs Best [1]	[10 Tunes in total]
RO-610K	Children's Songs Best [2]	[10 Tunes in total]
RO-611K	Children's Songs Best [3]	[11 Tunes in total]
RO-612K	Children's Songs Best [4]	[11 Tunes in total]
RO-613A	Animation Themes [8]	1. Sazae-san 2. Yume Ippai 3. Dancing Pompokorin 4. Japanese old-fashioned story 5. Growing up 6. Kimi no Kaze 7. Doraemon no Uta 8. On a sunny day ... 9. Putting you on 10. My Neighbor Totoro	Thanks to Johan Veenstra for information on this pack.
RO-614Y	Young Best Hits [11]	[11 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-615A	Animation Themes [9]	[10 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-616Y	Young Best Hits [12]	[10 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-617Y	Young Best Hits [13]	[10 Tunes in total]	Thanks to Sourcream for the picture of this pack.
RO-618K	Mother and Child TV Songs	[11 Tunes in total]
RO-701	Sound Kids 'Excitement'(?) [1]	[10 Tunes in total]	Thanks to Johan Veenstra for the picture of this pack. Casing made of red plastic instead of the usual black. Probably available only in Japan. The "Sound Kids" series of 6 ROM Packs were designed to accompany the KS-02 (Sound Kids 02) keyboard. The keyboard itself did not include any bundled ROM Packs, but instead featured 6 built-in demo tunes. The ROM Packs had to be purchased separately. Content seems to be the same as RO-609K.
RO-702	Sound Kids 'Excitement'(?) [2]	[10 Tunes in total]	Casing made of red plastic instead of the usual black. Probably available only in Japan. Designed for use with the KS-02 Keyboard. Content seems to be the same as RO-610K. When I won this pack on eBay, the seller seemed reluctant to actually send it to me, and required some persuasion. When it arrived, I discovered why - it was missing its Zebra strip and metal latch (neither was mentioned in the listing). I cannibalised a spare RO-551 to make this into a fully-working, complete ROM pack.
RO-703	Sound Kids 'Excitement'(?) [3]	[11 Tunes in total]	Thanks to Johan Veenstra for the picture of this pack. Casing made of red plastic instead of the usual black. Designed for use with the KS-02 Keyboard. Content seems to be the same as RO-611K.
RO-704	Sound Kids 'Excitement'(?) [4]	[11 Tunes in total]	Thanks to Sourcream for the picture of this pack. Designed for use with the KS-02 Keyboard. Content seems to be the same as RO-612K.
RO-705	Sound Kids - Anime Songs [1]	[10 Tunes]	Casing made of red plastic instead of the usual black. Label design similar to RO-701. Designed for use with the KS-02 Keyboard. Content seems to be the same as RO-613A.
RO-706	Sound Kids - Hit Songs [1]		The "Sound Kids" series of 6 ROM Packs were designed to accompany the KS-02 (Sound Kids 02) keyboard. The keyboard itself did not include any bundled ROM Packs, but instead featured 6 built-in demo tunes. The ROM Packs had to be purchased separately. Content seems to be the same as RO-614Y.
RO-707	Sound Kids - Anime Songs [2]	[10 Tunes in total]	Designed for use with the KS-02 Keyboard. Content seems to be the same as RO-615A.
RO-708	Sound Kids - Hit Songs [2]	[10 Tunes in total]	Designed for use with the KS-02 Keyboard. Content is probably the same as RO616Y.
RO-801F	Fusion	1. All About You 2. Sabana Hotel 3. Omens of Love 4. Far Thunder 5. Treasure Island 6. Truth	Designed for use in Casio Digital Horns. Probably available only in Japan. Price in 1990 was 2400 Yen.
RO-802E	Enka [10]	[6 Tunes in total]	Designed for use in Casio Digital Horns.
RO-803S	Standards	1. Sail Along Silv'ry Moon 2. A String of Pearls 3. Fly Me to the Moon 4. Brazil 5. La Chanson D'Orphee 6. Caravan	Probably designed for use in Casio Digital Horns. Thanks to Sourcream for the picture of this pack.
RO-804M	Digital Horn Lessons	[18 Tunes in total]	Designed for use in Casio Digital Horns. Price in 1990 was 2400 Yen.