"Shock" is a song by American industrial metal band Fear Factory.
Its music was composed by guitarist Dino Cazares and drummer Raymond Herrera.
The lyrics were written by vocalist Burton C. Bell.
The introduction of a concept album, "Shock" introduces its protagonist, a political prisoner known only as Edgecrusher, who declares his personal mission to destroy the totalitarian society in which he lives.
The song was featured in the TV series Angel from season 2 episode 10 "Reunion".