• Marin Symphony performs the music of iconic film score composer John Williams (“Star Wars,” “Jaws”) at 3 this afternoon at Marin Center’s Showcase Theater at 20 Avenue of the Flags in San Rafael. Admission is $50 to $94. For more information and to buy tickets, go to tickets.marincenter.org.

• Guitarist Mark Lemaire and bassist Michael Manring perform at 4 this afternoon at Old St. Hilary’s Landmark at 201 Esperanza St. in Tiburon. Admission is $20 to $25 in advance and $25 and $30 at the door. For more information and to buy tickets, visit landmarkssociety.com.

• Marin musicians April and Monroe Grisman perform at 5 tonight at Rancho Nicasio at 1 Old Rancheria Road in Nicasio. Dinner reservations begin at 4 p.m. Admission is $24; ticket price does not include dinner. For more information and to buy tickets, visit ranchonicasio.com.

• Cellist Christopher Costanza, violinist Owen Dalby and pianist Ilya Yakushev perform pieces by Johannes Brahms, Sergei Rachmaninoff and more at 5 tonight at the Mt. Tamalpais United Methodist Church at 410 Sycamore Ave. in Mill Valley. Admission is $48. To buy tickets, visit chambermusicmarin.org.

• Country singer Sam Outlaw performs with support from Hannah Aldridge at 8 tonight at the Sweetwater Music Hall at 19 Corte Madera Ave. in Mill Valley. Admission is $26.28. For more information and to buy tickets, visit sweetwatermusichall.com.