[2][3] Om's works incorporate musical structures similar to Tibetan, Byzantine and Ethiopian chanting, as heard on the debut album Variations on a Theme.

Their performance lasted for over five hours[4] and a portion of that show was released on 12" vinyl by Southern Lord as Live at Jerusalem.

[8] On January 31, 2008, Chris Hakius left the band and was replaced by drummer Emil Amos of Grails.

Om's fourth full-length studio album, God is Good, was recorded by Steve Albini and released by Drag City on September 29, 2009.

[11] In November 2013, the band played the final holiday camp edition of the All Tomorrow's Parties festival in Camber Sands, England.