Mosier Brothers Part 2 at the Philly Folk Fest Posted on August 20, 2010August 24, 2010 by admin Video (.MP4): KingArthur.com gets festive with the Mosier Brothers (Atlanta, Georgia) as they perform at Bob’s Country Bunker, Philadelphia Folk Festival, Montgomery County, Pennsylvania. Morning of August 20, 2010. Philly Folk Fest 2010 Scrapbook