The Spruce Moose Festival that is happening September 3rd and 4th up at Big Sky and will be headlined by The John Butler Trio and Big Head Todd and The Monsters. But those aren't the only bands worth mentioning. We will also have Cure For the Common, Pinky and the Floyd, The Cintons, and Do it Kappa. Venture inside this post to get a taste of each of these stellar opening bands.