Description Recorded backstage at WonderCon 2011 following a Behind the Music with CW3PR: Composing for Sci-Fi, Horror and Fantasy Film & TV seminar, special correspondent Laurren Cowan interviews composer Nathan Barr, whose film credits include: "The Ledge," "The Last Exorcism" and "Open House." He was recently tapped to score "30 Minutes Or Less." Additionally, Barr has also written and performed the music for all four seasons of HBO's "True Blood." More composer interviews and hundreds of celebrity interviews at SidewalksTV.com.