San Francisco Gay Men’s Chorus (SFGMC) and Dr. Timothy Seelig, Artistic Director have announced the holiday performances for Season 40: Unstoppable, featuring three performances of Elfstravaganza, running December 8-9 at the Nourse Theater (275 Hayes St, San Francisco). Performances are Friday, December 8 at 8 p.m. and Saturday, December 9 at 2:30 p.m. and 8 p.m. Tickets range in price from $25-99 and are available now on www.SFGMC.org or by calling City Box Office at (415) 392-4400.