original question: What concert movies are films of [Lions Gate Entertainment]?
answer: leonard cohen: i'm your man
answer type: Concert Film.
auxiliary information: Lions Gate Entertainment Corporation is a Canadian-American entertainment company. The company was formed in Vancouver, British Columbia, on July 3, 1997, and is headquartered in Santa Monica, California. As of November 2013, it is the most commercially successful mini major film and television distribution company in North America and the seventh most profitable movie studio. Lionsgate Films is not to be confused with Robert Altman's former company, Lion's Gate Films, although both names refer to the same Vancouver landmark, the Lions Gate bridge.
What music documentary was released by [Lions Gate Entertainment]?