MUSIC I: The Lesbian/Gay Chorus of San Francisco presents Christmas Crap-Array 2010, which showcases soloists and ensembles performing "the kind of raunchy, hilarious songs and skits that have become their signature style", and they promise their "traditionally warped holiday sing-along is sure to delight and offend!" Runs through Saturday.
8 p.m. // Exit Theatre (156 Eddy St) // $20-40
BENEFIT: Mustaches for Kids, a volunteer-run organization that has been celebrating the joys of mustaches and charity for 10 years across the nation, is having its annual M4KSF ‘Stache Bash, featuring the Guinness Beer Foam Retention Test, the Mustache Haiku, and other challenges devised to determine the "Sweetest Stache at the Bash."
7:30 p.m. // Rickshaw Stop (155 Fell St) // $10
MUSIC II: Tonight and tomorrow night, Grammy award-winning a cappella ensemble from Washington D.C., Sweet Honey in the Rock, will perform a one-of-a-kind holiday concert that celebrates music from many faiths and regions of the globe, including traditional African American gospel, a Chinese proverb set to song, a Kwanzaa tune, the Hebrew prayer "Hashi Venu," a new composition with a Latin flavor, and a traditional African melody.
8 p.m. // Palace of Fine Arts Theatre (3301 Lyon St) // $25-60