Austin Public Library & KOOP is hosting the 50th anniversary Woodstock tribute concert Sat Aug 17 from 2pm to 6pm at the Austin Central Library.  Lineup includes: Guy Forsyth, Electric Lady Bird, Sho Humphries, Deezie Brown, SaulPaul, Sarah Sharp, Brian Scartocci, Bob Cheevers, and Rochelle and the Sidewinders.  KOOP also presents: Trashdog with Cosmic Chaos & Mr. Meringue Thu Aug 15 at 8pm at The Far Out Lounge & Stage for a night of free local music.