Airs Friday, June 9, at 9 p.m. This week on the Caravan we’ll feature music from PH Balance, Myshkin’s Ruby Warbler, Chris McCaa and Chris Allen, Rose Polenzani, Ali Farke Toure, Dave Matthews, Joe Ely and Buddy Flett. Then in our concert hour, Sigur Rós live, and in the final hour, we go Beneath The Fire.