To an audience, the conductor's technique & art are the most mysterious of all the orchestra. Whether it be a world-class philharmonic orchestra, or a youth orchestra of yet-blossoming talent, only a small part of the conductor's work is visible on-stage, glimpses seen perhaps now, as a wave of the hand or baton & maybe then, as a wild dance atop the podium. And the conductor must always perform turned away from the audience, appearing to the outside world as if his or her face were hidden behind a mask…