Music Medicine Ball Caravan, August 13 KRVS | By Lobby Published August 13, 2014 at 2:31 PM CDT Facebook Twitter LinkedIn Email Listen • 59:00 Celebrating the 45th anniversary or Woodstock. We go 'electric' with recorded performances by Crosby, Stills, Nash and Young, The Who, Jefferson Airplane, Joe Cocker, Janis Joplin and Johnny Winter.