The men dressed in suits are a rough bunch, with mismatched ties, a variety of facial fuzz and an assorted smattering of derby caps and fedoras. They stand out in the crowd of casually dressed hipsters like a battalion of the Salvation Army stationed in San Francisco's 12 Galaxies club. Abruptly, as if answering some silent siren, the suited men abandon their drinks and their cigarettes and head for the stage. They are the Conspiracy of Beards, an all-male chorus that sings only Leonard Cohen songs, and as they assemble in a crescent around choir conductor Daryl Henline, a hush falls over the chatty crowd. "It's really about the joy of singing," says Henline, the group's de facto leader. "Outside of academic settings or the church, people don't really get to experience choral singing, which is a shame, because it's beautiful.