Davis describes work with Mumford and Sons By John Mark Dempsey • Feb 4, 2014 TweetShareGoogle+Email Brad Davis Grammy Award-winning Commerce musician and producer Brad Davis discusses working on an album with British folk rock band Mumford and Sons, and the joys of teaching guitar. Listen Listening... / Blacklands Cafe. Grammy-winning Commerce musician/producer Brad Davis. KETR, John Mark Dempsey. TweetShareGoogle+EmailView the discussion thread.