Metallica drummer Lars Ulrich has revealed in a new interview with Classic Rock magazine some more details about the band's upcoming 3D feature film, which will combine concert footage with a fictional storyline. Ulrich cited the 1976 Led Zeppelin movie, The Song Remains The Same, as a major influence, explaining, "There are four members in Led Zeppelin, four members in Metallica, it's a full-length movie, and there's a lot in this film that does not take place onstage. The major difference is that the stuff that takes place offstage in the Metallica movie does not feature any members of Metallica. It's two separate worlds -- a Metallica show and a story that unfolds in a parallel universe -- and at some point they intertwine."

The Zeppelin film interspersed concert footage with fantasy sequences starring each member of the group.

The concert sequences for Metallica's movie were shot last August at two shows in Vancouver, Canada. The movie is directed by Nimrod Antal, who helmed 2010's Predators.

A summer 2013 release is expected for Metallica's film, which does not yet have a title.
Metallica has also begun working on material for its 10th studio album, which the band expects to begin recording later this year for a 2014 arrival.