The South by Southwest Festival in Austin organizers have released the next round of invitees for the festival set for March 12-17, 2013.  The acts include The Airborne Toxic Event, Third Eye Blind, Alex Claire, Alien Ant Farm, The Crystal Method and former Live frontman Ed Kowalczyk.  This adds to the previous artists already on board for the annual festival Of Mice & Men, The Raconteurs guitarist Brendan Benson, and Sonic Youth frontman Thurston Moore.  Dave Grohl is slated to be the keynote speaker for the event and present his keynote address on March 14th at the Austin Convention Center.