OK, we’ve got a quick one for you today. We’re giving away 2 tickets to tomorrow (Thursday) night’s Austin City Limits kick-off party featuring rockstar-studded trio, Them Crooked Vultures. If you don’t know Them Crooked Vultures, then you better start learning, fast. The group consists of John Paul Jones (Led Zeppelin), Dave Grohl (Nirvana/Foo Fighters) and Josh Homme…