Sphynx tops the bill at Empire. Photo by Jay Janner / American-Statesman

Summer nights finale at Empire. Vagabond Collective and 101X send the summer out in style with an Austin indie celebration headlined by excellent glam pop trio Sphynx. Also on the bill are dream pop outfit Letting Up Despite Great Faults and pop acts Shivery Shakes and Alex Napping. The event also serves as the official Float Fest pre-party. $8. 7 p.m. doors. 606 E. Seventh St. empireatx.com. — D.S.S.

Also: Singer-songwriter David Ramirez celebrates the release of his new album “Fables” with a 5 p.m. in-store at Waterloo Records followed by a show at the Cactus Cafe. … Iceland-turned-Austin band Kaleo plays KGSR’s Unplugged at the Grove series at Shady Grove. … Keep up with the Williamses — Hank and Lucinda, specifically — when local singers including Kacy Crowley, Betty Soo and Charlie Faye cover songs by both artists at Strange Brew to benefit the SIMS Foundation. … Take your pick of tried-and-true country favorites with Dale Watson at the Highball, Mike & the Moonpies at Continental Club and the Derailers at the Broken Spoke.