Incomplete list of RBY music

Bank 01 (Master Ball)
If you try to play a "tune" here, it results in a glitchy trade screen in Red and Blue.

Bank 02 (Ultra Ball): List 1 ('Overworld')
$B8- Pokeflute
$BA- Pallet Town's Theme
$BD- Pokemon Center Theme
$C0- Gym Theme
$C3- Viridian City Theme
$C7- Cerulean City Theme
$CA- Celadon City's Theme
$CD- Cinnabar Island
$D0- Vermilion City
$D4- Lavender Town
$D8- S.S. Anne
$DB- Oak's theme (aka music that plays before you step out into the grass without any Pokemon)
$DE- Rival's Theme
$E1- Follow Me!
$E5- Safari Zone
$E8- Pokemon Healed Jingle
$EB- Route 1's Music
$EF- Nugget Bridge
$F3- Route 22
$F7- Route 12
$FB- Pokemon League gates
$FF- No music

Bank 08 (Safari Ball): List 2 (Battles)

$86- Learned a move
$89- unused here?
$98- Registered Pokémon
$9A- Caught Pokémon
$EA- Gym battle music
$ED- Trainer music
$F0- Wild battle music
$F3- Champion Blue music
$F6- Trainer battle victory
$F9- Beat wild Pokémon
$FC- Gym battle victory
$FF- No music

Bank 1F (Old Amber): List 3 ('Caves, Buildings and 'Dungeons')
$C3- Title Music
$CD- Oak's Lab
$D0- Jigglypuff's Jingle
$D2- Bike Theme
$D6- Surfing Theme
$D9- Game Corner
$DC- Intro Theme (Fight between Gengar and Nidorino/Jigglypuff)
$E0- Rocket's Hideout
$E4- Diglet's Cave
$E8- Mt. Moon
$EC- Pokemon Mansion
$F0- Pokemon Tower
$F3- Silph Co.
$F5- 'Evil' Trainer Encounter theme
$F9- Girl Trainer Encounter theme
$FC- Male Trainer Encounter theme
$FF- No Music (same with Overworld)

Bank 20 (Fire Stone): List 4 (Yellow only music)
$9C- Jessie & James encounter
$9F- Unused tune
$99- Pikachu's Beach
$A3- Printer error