Operation: Doomsday (Stylized as "OPERATION: DOOMSDAY") is the debut studio album by rapper MF DOOM, marking his return to the hip-hop scene after the demise of his group KMD. The album was released through Fondle 'Em Records on April 20, 1999, and reissued by Sub Verse Records in 2001 with a slightly altered track listing. Operation: Doomsday has been ranked as one of the greatest hip-hop albums of all time. A remastered edition of the original version was released in 2011. Following his debut in the late-1980s, Daniel Dumile, then known as Zev Love X, suffered a series of unfortunate Read more on Last.fm.