Sylvie Simmons, author of the highly acclaimed new biography of Leonard Cohen, "I'm Your Man" leads a sing along to Leonard Cohen's "Old Revolution, " a song from his 1967 debut album, at Brian Cullman's Soirée for Sylvie, Nov. 15, 2012, Greenwich Village,New York. Jimi Zhivago and Fred Nicolaus accompany Sylvie on the uke.