Ding masters: The 45th annual Cable Car Bell Ringing Contest takes place in Union Square. The event features two contests — one for professional bell ringers, one for nonprofit groups. [Noon, Powell and Geary streets]

Who’s in town

Argentine bandoneón master Daniel Binelli performs in “Tango and More,” a presentation of the S.F. Symphony’s “Summer in the City” series. Tango dancers Pilar Alvarez and Claudio Hoffmann and mezzo-soprano Catherine Cook also appear with the orchestra. [8 p.m., Davies Symphony Hall, 201 Van Ness Ave.]

City activities

Curator’s choice: “Love Streams” (1984), directed by John Cassavetes, screens at the Yerba Buena Center for the Arts. Cassavetes and Gena Rowlands portray damaged siblings. [7:30 p.m., 701 Mission St.]

Wayne Thiebaud: Hand-colored prints and monotypes by the modern artist, whose subjects include cakes, gum balls and neckties, are on view at the Paul Thiebaud Gallery. [10 a.m. to 6 p.m., 718 Columbus Ave.]

Literary events

Moira Gunn: The author and NPR host discusses “Welcome to BioTech Nation.” [12:30 p.m., Stacey’s Bookstore, 581 Market St.]

Carol Goodman: The novelist discusses “The Sonnet Lover.” [7:30 p.m., Books Inc., 2251 Chestnut St.]

Lectures

Art lecture: Contemporary-art expert Jeannene Przyblyski discusses the photography of Hiroshi Sugimoto. [10 a.m., de Young Museum, Golden Gate Park]

Green housing: Discussion involves how some local affordable-housing developers are incorporating green building elements into their designs. [12:30 p.m., SPUR, 312 Sutter St.]

At the public library

Middle Eastern percussion: Interactive program, designed for kids of all ages, features drums, cymbals and tambourines. [1 p.m., Presidio Branch, 3150 Sacramento St.]

Older Writers Laboratory: OWL hosts a free poetry workshop for seniors. [1:30 p.m., Bernal Heights Branch, 500 Cortland Ave.]