As proof that this music festival thang has reached critical mass, even Stephen Colbert has gotten into the game with his Colbchella Festival held last week in NYC on the US Intrepid.  The major upside was that Grizzly Bear was one of the featured performers.  In case you missed it, check out their performances below of Yet Again, Sleeping Ute and Two Weeks, followed by a classic Colbert interview with the band.