• Sweetwater Music Hall’s Mardi Gras ball features live music and a special Southern-inspired menu by chefs Mitchell and Steven Rosenthal (Town Hall, Salt House, Anchor & Hope) at 6 tonight at 19 Corte Madera Ave. in Mill Valley. Admission is $121.03. To buy tickets, visit sweetwatermusichall.com.

• Marin Symphony performs the music of iconic film score composer John Williams (“Star Wars,” “Jaws”) at 7:30 p.m. Saturday and 3 p.m. Sunday at Marin Center’s Exhibit Hall at 20 Avenue of the Flags in San Rafael. Admission is $50 to $94. To buy tickets, go to tickets.marincenter.org.

• West Marin country-rock band The Haggards performs from 8:30 to 11 p.m. Saturday at Smiley’s Saloon at 41 Wharf Road in Bolinas. Admission is $15 in advance and $20 at the door. To buy tickets, visit smileyssaloon.com.

• Guitarist Mark Lemaire and bassist Michael Manring perform at 4 p.m. Sunday 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.

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