For the Sake of the Song -- Film Review

9:05 PM PDT 10/14/2010 by John DeFore, AP

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AUSTIN -- A gap in the history of folk music gets filled in "For the Sake of the Song," which reminds viewers that the acoustic tradition flourished not only in New York and San Francisco but in the Lone Star State. Full of warm testimonials and rare clips of well-known performers, it's well suited for cable or video promotion to the genre's fans, particularly those with fond (or smoke-clouded) memories of the '70s and '80s songwriter heyday.