Shawn Sahm of the Texas Tornados performs at a Doug Sahm tribute at the Paramount Theatre at SXSW on Saturday March 21, 2015. JAY JANNER / AMERICAN-STATESMAN

Doug Sahm documentary fundraiser at the Broken Spoke. “Sir Doug and the Genuine Texas Cosmic Groove,” a documentary about one of the state’s quintessential musicians, was a hit at this year’s South by Southwest Film Festival. Its makers are trying to secure music rights for the film as they seek wider release, as well as campaigning to get Sahm into the Rock and Roll Hall of Fame. Performers at this “Groovers Gathering” include Shawn Sahm, Augie Meyers, Ray Benson, Jack Ingram, Bruce Robison, Kelly Willis, Kevin Russell, Bill Kirchen, Ernie Durawa, Kimmie Rhodes, Alvin Crow, Bobby Earl Smith, Colin Gilmore, Nakia, Cory Reinisch and Jolie Goodnight, fronting a house band with guitarist John X. Reed, bassist Speedy Sparks and drummer Tom Lewis. Dallas Wayne is master of ceremonies. Suggested $10 donation. 9 p.m. 3201 S. Lamar Blvd. dougsahmdoc.com. — P.B.

Also: The Sound & Cinema series at the Long Center continues with afrobeat grooves from Hard Proof paired with the goofball comedy “The Naked Gun.” … Touring on the strength of her recently released self-titled hazy pop album, Holly Miranda plays the Cactus Cafe.