Riverboat Gamblers play a free week show at Sidewinder. Photo by Daniel Cavazos/courtesy of Transmission Entertainment

Riverboat Gamblers at Sidewinder (outside). Because it wouldn’t be Free Week without a rowdy, beer-soaked throw down hosted by the Gamblers, Transmission Events tacked this sure-to-be-packed showcase on as an epic closer. Sweet Talk, who’s driving release “Double Perfect” was one of the year’s best garage rock albums, and Austin music lifers Midgetmen round out the bill. Free. Doors at 7 p.m. 715 Red River St. thesidewinderaustin.com. — D.S.S.

More Free Week: Get your fill of no-frills rock ‘n’ roll with Ex Hex and Flesh Lights at the Mohawk outside; The Dan Ryan and Black Balsam play inside. … Empire Control Room hosts a night of electronic music with Sub Culture, Retrograde and Trouble in the Streets.

Also: Platinum-selling singer-songwriter Jewel performs for the 100th anniversary of the Settlement Home at the Long Center. … Roots-rock singer-songwriter Aaron Lee Tasjan, an Ohio native who moved to New York and then Nashville and toured as guitarist with Drivin’ N’ Cryin’, brings the tour for his “Telling Stories to the Wall” EP to Strange Brew.