Strut, 470 Castro, 1st & 3rd Floor. The oldest public open drawing group in the world celebrates 30 years of drawing the male nude in San Francisco with an exhibit of drawings by current and past participants in the weekly drawing group founded by photographer/artist Mark Chester. markichester.com

San Francisco Museum of Modern Art, 151 Third Street. Presenting for the first time side by side the art of two of the 20th Century’s most extraordinary painters. sfmoma.org

@ Ivy Room, 860 San Pablo Avenue, Albany. The Casual Coalition - featuring a band of musicians formed at the Marin County venue Terrapin Crossroads – performs at the selfdescribed “neighborhood bar” owned by Summer Gerbing and Lani Torres. 8pm. ivyroom.com

San Francisco Botanical Garden, 1199 9th Avenue. An exhibit of nature illustrations by Rachel Diaz-Bastin open through April 30. Sfbotanicalgarden.org

Novato Theater Company Playhouse, 5420 Nave Drive, Novato. The musical about a single man unable to fully commit to a steady relationship. novatotheatercompany.org

At 3 Fish Studios, 4541 Irving. Author Madonna discusses his new novella On to the Next Dream. paulmadonna.com/ontothenextdream/index.htm

At The Castro Theatre, 429 Castro Street. SF Sketchfest presents an evening with Peaches Christ and the cult-classic Greast 2 plus a pre-show appearance by the film’s star Maxwell Caulfield. sfsketchfest2017.sched.com/event/8wM2