Santa Rosa Symphony performs Rachmaninoff’s Symphony No. 2. $32–$105. Ages 7–17 may receive one complimentary ticket with every paid adult. (Request kids’ tickets thru Patron Services: 707-546-8742.) Jan. 21–23. Jan. 21: 2 p.m. (Discovery Open Rehearsal) & 7 p.m. Jan. 22: 3 p.m. Jan. 23: 7:30 p.m. Green Music Center. 1801 E. Cotati Ave., Rohnert Park. Tickets: srsymphony.org/EventDetail/235.