Worlds Collide is a studio album by Finnish band Apocalyptica, released in 2007. The band is known for combining classical cellos with metal, and on this album they extend that sound further with guest vocalists. Contributions come from Corey Taylor (Slipknot), Adam Gontier (Three Days Grace) and Till Lindemann (Rammstein), among others. Well-known tracks include "I'm Not Jesus" and "I Don't Care". The record mixes instrumental pieces with vocal-oriented songs.