The new documentary 'Amy' uses personal and archival video to tell the story of her short life. We talk to the film's director Asif Kapadia and Winehouse's former manager Nick Shymansky, who tried to get her into rehab--which later inspired her biggest hit. Fresh Air Weekend critic Justin Chang reviews 'Tangerine.' Also, David Thorpe searches for the origin of the so-called "gay voice" in his new film 'Do I Sound Gay?'