Sunday, Dec. 23
Workshop: 4–5 p.m.
Concert: 7:30 p.m.
Davies Symphony Hall
Participate in a warm-up/rehearsal with choral director Ragnar Bohlin, then take your seat in the audience to add your voice to an evening of splendid choral music. $25 workshop, $25–$95 concert; eventbrite.com, 415-864-6000, sfsymphony.org
