Bring your friends and family out to this unofficial SXSW Silent Disco on Friday, March 20 with discount tickets! SXSW is a great excuse to get out and party in Austin's Warehouse District. Get your discount tickets and join this fun event at Oil Can Harry's. Weather you’re from Austin or just visiting for the weekend, this is the perfect event for anyone 21 and older. This incredible venue features three full-service bars as well as a beautiful outdoor deck.…