In this clip from James Levine: America’s Maestro, hear a story from David Langlitz, the Principal Trombone for the Met Orchestra, that illuminates Levine’s unique sensitivity to sound and watch Levine conduct a dress rehearsal of Simon Boccanegra with Placido Domingo. James Levine: America’s Maestro premieres Wednesday June 1st, 2011 at 8 p.m. (check local listings).