When PWR BTTM takes the stage, it doesn't take long to figure out what you're going to get. From the first glitter-smeared seconds of the set-opening "Silly," the band came to shred and swagger with infectious joy, complete with backbends and solos and spangly outfits — at least one of which wouldn't survive the band's set at Stubb's BBQ in Austin, Texas, recorded live for NPR Music on March 15, 20217.