The Catalyst isn't a song.
`` The Catalyst '' is a song by American rock band Linkin Park . The song was also featured in the video game Linkin Park Revenge for the iPhone , iPad , and iPod Touch . `` 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 .