Sound City Mantra

Dave Grohl assembled an all-star group for the soundtrack to his documentary film, Sound City, about the iconic California studio. The soundtrack, out March 12, 2013 features Trent Reznor and Josh Homme on the closing track, "Mantra".
 
Rolling Stone has posted new edited footage of Grohl, Homme, and Reznor performing the eight-minute cut live in the studio.You'll find that version HERE