Austin-based garage rock band Obn IIIs perform a free show at the Foundry starting at 9 p.m. Friday, Aug. 22.

A Peruvian psychedelic cumbia band from Denton, Los Patos Poderosos, performs at the Wild Detectives starting at 7 p.m. Saturday, Aug. 23.

This month’s installment of the Class of ’39 film series at the Texas Theatre is “The Wizard of Oz,” which shows all weekend. On Friday, they’re playing “Dark Side of the Rainbow.”

James McMurtry performs at the Kessler Theater Saturday.

There’s no Little D Farmers Market this weekend, but there is one from 6-10 p.m. Wednesday, Aug. 27.