In an era where pop music seems to have been overrun by the perversely shouty and excessively showy, Bill Callahan is a welcome and singular enigma. He takes part in this year's eighth annual Don't Knock the Rock Festival with the world-premiere screening of the rather mysteriously titled Apocalypse: A Bill Callahan Tour Film. He performs after the screening, unveiling a deeper perspective into this quietly riveting modern troubadour — given even more elegiac perspective by the death in April of Callahan's longtime collaborator, Cynthia Dall. Shot by director Hanly Banks on Callahan's 2011 U.S. tour in support of the Apocalypse album on longtime record label Drag City, it's a triptych of scenes from that tour, “a visual love letter to America” — which, as anyone who's been on a cross-country tour with a band will tell you, often is one of the most challenging loves to keep alive. Cinefamily, 611 N. Fairfax Ave.; Thurs., Aug. 2, 7:30 p.m..; $20. (323) 655-2510, cinefamily.org.

Thu., Aug. 2, 7:30 p.m., 2012

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