List of Super Smash Bros. for Nintendo 3DS / Wii U in-game music

This can be found in Super Smash Bros. for Nintendo 3DS. Players should select "Games & More", "Vault", then the "Sounds" option to open it. It consists all the music and voices in the game. Here is a list of them:

Music

 * 1) Menu
 * 2) Menu 2 (Melee)
 * 3) Battlefield
 * 4) Menu (Melee)
 * 5) Final Destination
 * 6) Menu (Melee): Ver. 2
 * 7) Super Mario 3D Land Theme / Beach Theme
 * 8) Super Mario Bros. 3 Medley
 * 9) Athletic Theme / Ground Theme
 * 10) Ground Theme / Underground Theme
 * 11) Rainbow Road Medley
 * 12) Rainbow Road (Mario Kart 7)
 * 13) Paper Mario Medley
 * Try, Try Again
 * 1) Ground Theme (Super Mario Bros.)
 * 2) Underground Theme (Super Mario Bros.)
 * 3) Rainbow Cruise
 * 4) Kongo Jungle
 * 5) Gear Gateway
 * 6) Stickerbush Symphony
 * 7) Gerudo Valley
 * 8) Orarina of Time Medley
 * 9) Full Steam Ahead (Spirit Tracks)
 * 10) Main Theme / Underworld Theme (The Legend of Zelda)
 * 11) Dark World / Dark World Dungeon
 * 12) Ballad of The Goddess / Ghirahim's Theme
 * 13) Temple Theme
 * 14) Brinstar
 * 15) Brinstar Depths
 * 16) Obstacle Course (Spring/Summer)
 * 17) Obstacle Course (Fall/Winter)
 * 18) Ending (Yoshi's Story)
 * 19) Green Greens
 * 20) Castle Lololo
 * 21) Float Islands
 * 22) Bubbly Clouds
 * 23) Mt. Dedede
 * 24) Green Greens Ver. 2
 * 25) The Legendary Air Ride Machine
 * 26) Corneria
 * 27) Star Wolf's Theme / Sector Z
 * 28) Theme from Area 6 / Missile Slipstream
 * 29) N's Castle Medley
 * 30) Battle! (Reshiram / Zekrom)
 * 31) Battle! (Trainer Battle) (Pokémon X and Pokémon Y)
 * 32) Lumiose City
 * 33) Mute City
 * 34) Mute City (Remix)
 * 35) Magicant / Eight Melodies (Mother)
 * 36) Smiles and Tears
 * 37) Id (Purpose)
 * 38) Fire Emblem
 * 39) With Mila's Divine Protection (Celica Map 1)
 * 40) Flat Zone 2
 * 41) Flat Zone
 * 42) Wrath of the Reset Bomb (Remix)
 * 43) Dark Pit's Theme
 * 44) In the Space-Pirate Ship
 * 45) Boss Fight 1
 * 46) Dark Pit
 * 47) Wrath of the Reset Bomb
 * 48) WarioWare, Inc
 * 49) Ashley's SongJapanese Version, English Version
 * 50) Main Theme (Pikmin)
 * 51) Stage Select
 * 52) Tortimer Island Medley
 * 53) Kapp'n's Song
 * 54) Jogging / Countdown
 * 55) Minor Circuit
 * 56) Gaur Plain
 * 57) You Will Know Our Names
 * 58) Mechanical Rhythm
 * 59) Balloon Fight Medley
 * 60) Balloon Trip
 * 61) Bath Time Theme
 * 62) Bath Time Theme (Vocal Mix)
 * 63) Dark Lord
 * 64) Save the World, Heroes!
 * 65) Tomodachi Life
 * 66) Mii Plaza
 * 67) PictoChat
 * 68) Dr. Mario
 * 69) The Mysterious Murasame Castle Meldey
 * 70) Tetris: Type A
 * 71) Green Hill Zone
 * 72) Live & Learn
 * 73) Mega Man 2 Medley
 * 74) Mega Man 2 Retro Medley
 * 75) Air Man Stage
 * 76) Spark Man Stage
 * 77) PAC-MAN
 * 78) PAC-MAN (Club Mix)
 * 79) PAC-MAN'S PARK / BLOCK TOWN
 * 80) Multi-Man Smash
 * 81) Cruel Smash
 * 82) Credits (Smash Bros.): Ver.2
 * 83) Boss Battle
 * 84) Master Hand
 * 85) Online Practice Stage
 * 86) Classic: Map
 * 87) Classic: Results Screen
 * 88) Classic: Final Results
 * 89) Classic: Fail
 * 90) Target Blast
 * 91) Gallery/Hoard
 * 92) Trophy Shop
 * 93) Trophy Rush
 * 94) Replay/Album/Records
 * 95) StreetSmash
 * 96) Home-Run Contest
 * 97) How to Play
 * 98) Results Display Screen
 * 99) Credits

As for the voices, players can listen to all voices of fighters, the announcer (117 voices), Pokémon (36 voices), and Assist Trophies(107 voices). Each fighters have a different amount of voices. For example, Mario has 34 voices while Donkey Kong only has 22 voices in the game.

Players can mark the music as favorites (Pink star at the left of their title), listen to them shuffled, repeat the same song, and listen to them while the 3DS is in Sleep Mode (Earphones are required to use this effect).