Partial Tracklisting:
Sample tracks from the "Red" CD
Menu
Super Mario 3D Land Theme /Beach Theme
Gerudo Valley
Green Greens Ver. 2
Star Wolf's Theme / Sector Z
Battle! (Trainer Battle) (Pokémon X / Pokémon Y)
Tortimer Island Medley
Jogging / Countdown
Tomodachi Life
Multi-Man Smash
… and more!
Sample tracks from the "Blue" CD
Battlefield
Egg Planet
Gear Getaway
Ballad of the Goddess / Ghirahim's Theme
Title (Metroid)
The Great Cave Offensive
Fight 1 (Fire Emblem Gaiden)
Stage Select (Pikmin 2)
Xenoblade Chronicles Medley
Results Display Screen
… and more!
from:
http://club2.nintendo.com/smash-promo/