The Catalyst is a rock song.
A Thousand Suns is the fourth studio album by American rock band Linkin Park . `` The Catalyst '' was sent to radio and released to digital music retailers on August 2 , 2010 . `` The Catalyst '' peaked at the Billboard Alternative Songs and Rock Songs charts . The Catalyst . 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 .