Flock of Pigs 10 p.m. Aug. 31 Opolis 113 N. Crawford Ave., Norman opolis.org 405-673-4931 $12-$15 The shaggy college party band Flock of Pigs met at University of Oklahoma, played their first show at Norman Music Festival in 2016 and spent the ensuing years picking up sounds just as quickly as they put them down. […]