The Mandarins are returning to their musical roots and pushing the envelope of innovation with their 2015 show "Resurrection." For instance, at one point in the show, they are fielding what could be the largest horn line in DCI history. Dan Potter talks with Mandarins' director Jim Tabuchi about that and another innovation that Tabuchi hopes will give the corps "The Edge" it needs to climb the World Class rankings in today's Field Pass presented by Zildjian.