Inspired by "The Grey Album", which collaborative EP by Jay-Z and Linkin Park was released in 2004?
The Grey Album The Grey Album is a mashup album by Danger Mouse, released in 2004. It mixes an a cappella version of rapper Jay-Z's "The Black Album" with samples from The Beatles' LP "The Beatles", commonly known as "The White Album". "The Grey Album" gained notoriety when EMI attempted to halt its distribution despite approval of the project from Jay-Z and the two surviving Beatles, Paul McCartney and Ringo Starr.
The Catalyst "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 music video for the song, directed by the band's turntablist Joe Hahn, was released on August 26, 2010.