Super Mario Maker's My Music List:
Style Switch: Ground Theme (SMB/SMB3/SMW/NSMBU) - Original
Title (Super Mario Maker) - Sm4sh Remix (Lone new remix in this DLC pack)
Mario Bros. (Mario Bros.) - Brawl Remix
Super Mario Bros. Medley (Super Mario Bros.) - Sm4sh Remix
Ground Theme / Underground Theme (Super Mario Bros)
Ground Theme (Super Mario Bros) - Brawl Remix
Underwater Theme (Super Mario Bros) - Brawl Remix
Princess Peach's Castle (Super Mario Bros) - Melee Remix
Super Mario Bros: The Lost Levels Medley - Sm4sh Remix
Super Mario Bros. 3 Medley - Smash 4 Remix
Ground Theme (Super Mario Bros 3) - Melee Remix
Airship Theme (Super Mario Bros 3) - Brawl Remix
Underground Theme (Super Mario Land) - Brawl Remix
Super Mario World Medley - Sm4sh Remix
Yoshi's Island (Melee) - Melee (duh) Remix
Fortresss Boss (Super Mario World) - Sm4sh Remix
Castle / Boss Fortress (Super Mario World / SMB3) - Brawl Remix
Title/Ending (Super Mario World) - Brawl Remix
Main Theme (NSMB) - Brawl Remix
Athletic Theme / Ground Theme (NSMB2) - Sm4sh Remix
Ground Theme (NSMB2) - Original
Ground Theme (NSMBU) - Original
Peach's Castle Stage - Smash 64 Remix
Ground Theme (SMB3) - Original
Ground Theme (SMB2) - Original
Ground Theme (SMB) - Original
Ground Theme (SMBW) - Original
Source: GAF.
The style switch track is pretty unique. I currently have that set to high.
Mario Maker seems like a perfect goofing around stage.