Nintendo has made several tracks for the upcoming Smash Bros. games available for players to hear on the official Smash website. These tracks include music from Mega Man 2, Mario & Luigi: Dream Team, Kirby's Dream Land, Nintendogs, The Legend of Zelda: Spirit Tracks and Pokémon X & Y.
In addition to these previews of the music in the upcoming game, Nintendo has also posted the complete list of composers whose works will be featured in the 3DS version of Smash Bros. The 40-person list, which also names each individual's major works, covers many different genres and eras of gaming and includes artists such as Kenji Ito and Hirokazu Tanaka.
The 3DS version of Super Smash Bros. releases on Oct. 3, 2014. The Wii U version of the game still has no concrete release date.