World-renowned violinist, Joshua Bell, has an unusual way of leading the Academy of St. Martin in the Fields, a 44-member chamber orchestra. Instead of waving a baton he directs while playing his Stradivarius with the other violinists. Bell told Colorado Public Radio, “Even while I’m playing I can give them all kinds of direction and signals that I think only they would understand at this point. They know by every little dip in my violin, or raise in my eyebrow, or the way I draw the bow. They know the sound I’m looking for from the entire orchestra.” 

            Just as the orchestra members…