• Singer-songwriter Deborah Winters performs intimate ballads with guitarist John Hoy and bassist and cellist Andrew Higgins at “The Heart Exchange” at 7 p.m. Saturday at O’Hanlon Center for the Arts at 616 Throckmorton Ave. in Mill Valley. Admission is $25. Get more information and tickets at ohanloncenter.org/event/the-heart-exchange-w-deborah-winters-john-hoy-andrew-higgins.

• Lend a helping hand and help clean up San Rafael’s Pickleweed Park waterfront from 10 a.m. to noon Saturday. Go to the check-in table at 50 Canal St. in San Rafael. Bags and litter sticks will be provided. Free event. Must wear appropriate attire, such as closed-toe shoes.

• Dominican University of California’s department of music, dance and performing arts presents performances of the Alonzo King LINES Ballet/BFA in dance’s “Senior Projects” at 7 p.m. Saturday and 3 p.m. Sunday at Dominican’s Angelico Concert Hall at 20 Olive Ave. in San Rafael. Admission is $10. For more information, call 415-482-3579.

• Bring the whole family to enjoy a mix of mask theater, music and puppetry at the “Foolish Doom” show at 7:30 p.m. Saturday at the Throckmorton Theatre at 142 Throckmorton Ave. in Mill Valley. The show surrounds the great wizard Burnhart and his loyal creature, Pippa. Admission is $16 to $25. Get tickets at throckmortontheatre.org/events.