Austin Mixtape launch party at Sidewinder. Austin Mixtape, a website devoted to streaming local music, soft launched in April. They celebrate their official launch with an all-ages shindig headlined by indie rockers Quiet Company. Also performing are Stukenberg, Chakra Khan and Letting Up Despite Great Faults. $10. 8 p.m. 715 Red River St. thesidewinderaustin.com. — D.S.S.
Also: The scheduled Octopus Project show at the Mohawk has been rescheduled for Dec. 5. … Colombian reggaeton singer J Balvin plays Bass Concert Hall with Becky G. … Aer, a duo of reggae rap bros from suburban Boston, play Emo’s. … It’s a $40 ticket, but British pop star Howard Jones is playing the intimate Cactus Cafe with his show “The Songs, the Piano & the Stories.” … Dream-country indie band Widowspeak brings the tour for its new album “All Yours” to Lamberts with local group Reservations opening. … Electronic producer Alvin Risk plays Empire with Fyer. … Cali rockers Animal Liberation Orchestra a.k.a. ALO play the Parish with Yojimbo. … Expect big crowds at Nutty Brown Cafe for the Eli Young Band with Chris Janson and Threadgill’s for Bob Schneider with Jane Ellen Bryant. … Hometown acts playing record-release shows include Ashley Monical at Saxon Pub, Empire Machines at Spider House Ballroom and Staci Gray at Strange Brew. … Other top local options include Dumptruck and Why Not Satellite at Hole in the Wall, Moonlight Towers and Rite Flyers at ABGB, Vallejo playing Santana songs at the Continental Club and Denny Freeman sitting in with Bill Carter & the Blame at C-Boy’s.