Radio Woodstock, promoters of the First Annual Bluestock Festival, which will be held at the Hunter Mountain Ski Center in Hunter, New York from August 26th to 28th, 2011, have announced a couple of major league additions to the event's already-stellar line-up: Gregg Allman, Trombone Shorty, and TV and movie star Steven Seagal, with his blues band Thunderbox.
