FRIDAY

Salsa city: The Salsa Festival on the Fillmore features Latin-dance bands and the chance to dance at multiple venues. Festivities continue on Saturday. [7 p.m. to 1:30 a.m., Fillmore Street between Eddy and Post streets, S.F.; www.salsaonfillmore.com]

SATURDAY

Bicycling for Seniors class: The S.F. Bicycle Coalition is teaching a free bicycling class for older riders. Learn about different types of bikes, including those for individuals with limited mobility, and how to make your bike comfortable for everyday riding — whatever your age. [10 to 11 a.m., Golden Gate Park Senior Center, 6101 Fulton St., S.F., www.sfbike.org]

Music

Soul singer: Al Green, whose hits include “I’m Still in Love With You,” performs in San Francisco. The soul singer has sold more than 20 million records. [7:30 p.m., Nob Hill Masonic Center, 1111 California St., S.F.]

Benefit concert: “Best of West Coast Roots Music,” a concert of blues, jazz and gospel, benefits Aquarium of the Bay. Performers include Faye Carol and John Santos. [8 and 10 p.m., Bay Theater, The Embarcadero at Beach Street, S.F.]

Festivals

Beer festival: The Breastfest Beer Festival features hundreds of microbrewed beers, plus barbecue and music. It benefits the Charlotte Maxwell Complementary Clinic. [3 to 7 p.m., Festival Pavilion, Fort Mason Center, Marina Boulevard and Buchanan Street, S.F.]

Bastille Day bash: ArtPoint hosts its Bastille Day party, benefiting the Fine Arts Museums of San Francisco. Featured exhibit: “The Fashion World of Jean Paul Gaultier.” [8 p.m., de Young Museum, 50 Hagiwara Tea Garden Drive, Golden Gate Park, S.F.; www.artpoint.org]

Outdoor fun: Kids are invited to compete in old-fashioned games at the CLIF Kid Backyard Game of the Year Playoffs; judges include Olympian Jonny Moseley, journalist Dana King and author Richard Louv. [11 a.m. to 1 p.m., Marina Green, Marina Boulevard between Scott Street and Fort Mason Center, S.F.]

Dance

Site-specific dance: Axis Dance Company, which presents collaborations between dancers with and without disabilities, performs a site-specific work at Yerba Buena Gardens. [1 p.m., 770 Mission St., S.F.]

SUNDAY

Top picks at Fort Mason Farmers Market

• Blueberries
• Corn
• Heirloom tomatoes
• Nectarines
• Peaches
• White corn

— www.fortmason.org

Festivals

Food celebration: The Center for Urban Education and Sustainable Agriculture presents its Summer Celebration, a tasting event highlighting foods from the Ferry Plaza Farmers Market. [6 to 9 p.m., 1 Ferry Building, S.F.]

Peruvian celebration: The Peruvian Festival features Peruvian and international food and music. Musical guests include Tito Nieves and Los Adolescentes. [11 a.m. to 9 p.m., Festival Pavilion, Fort Mason Center, Marina Boulevard and Buchanan Street, S.F.]

Charity walks

AIDS walk: The 2012 AIDS Walk San Francisco features a 10K walk, plus a kids’ zone and a post-walk concert. [9 a.m.; starts and ends in Sharon Meadow, Golden Gate Park, S.F.; www.aidswalk.net]

Music

Stern Grove: Nitin Sawhney, from Britain, performs at the Stern Grove Festival. Meshell Ndegeocello opens. [2 p.m., Sigmund Stern Grove, Sloat Boulevard and 19th Avenue, S.F.]

artsGood Day