PERFORMANCE: CounterPULSE will be celebrating their 4th anniversary all weekend during their big May Day Festival. Twenty-five Bay Area dance and theater companies, spoken-word artists, and musicians will be raising money for CounterPULSE, which provides space and resources for emerging artists and cultural innovators. The price is a bit hefty, but the proceeds will go to a good cause.

8 p.m. // CounterPULSE (1310 Mission St.) // $30-100

ART: Upper Playground and SonicLiving are join forces on SonicLiving.com and for Groundsound Happy Hour, which will take place every first Friday of the month. Upper Playground will provide free Trumer Pils and Shiner Commemorator until 7 p.m., and there will be drink specials and giveaways, including concert tickets, clothing, and more. Music will be provided by resident DJs Amplive (Zion-I) and The Tourist (Magnificent 7) and guest DJ Centipede (Mophono).

6 p.m. // Laszlo (2526 Mission St) // free

FILM: Tonight is the first night of D tour at the San Francisco International Film Festival, which features local musician Pat Spurgeon of Rogue Wave and his struggle to find a new kidney while on tour. Rogue Wave will perform an acoustic set after the Q&A with Spurgeon and filmmaker John Granato.

9 p.m. // Kabuki (1881 Post St) // $12.50