saturday | 5
“Stars 2000.” Diablo Teen Theatre Company will perform songs from “Fiddler on the Roof” and other Broadway shows. Saxophonist Dave Alt also will perform compositions from Motown to Jewish melodies. At Temple Beth Hillel, 801 Park Central, Richmond. 7 p.m. $10 suggested donation. (510) 223-2560.
sunday | 6
Ethan Bortnick. Child pianist makes his Bay Area debut with a concert to honor the Saal Family, sponsored by Chabad of Greater South Bay. At Oshman Family JCC, 3921 Fabian Way, Palo Alto. 7:30 p.m. $75. (650) 424-9800.