Thursday, April 26, 7:30 p.m.
Osher Salon, S.F. Conservatory of Music (50 Oak St.)
The quartet will perform composer Robert Sirota’s third string quartet, Wave Upon Wave, and John Harbison’s String Quartet No. 6 and Maurice Ravel’s String Quartet in F major. Free, 415-503-6275, sfcm.org
