The Catalyst was an unreleased single by Linkin Park.
`` The Catalyst '' is a song by American rock band Linkin Park . Released on August 2 , 2010 , it is the first single from their fourth studio album , A Thousand Suns , which was released on September 8 , 2010 . `` The Catalyst '' , along with five other songs from A Thousand Suns , are featured in the `` Linkin Park Track Pack '' as downloadable content for the rhythm video game Guitar Hero : Warriors of Rock .