Marc Garcia is a trumpet player who moonlights as a bugler at Jefferson Barracks National Cemetery. He plays taps at the end of graveside services. If you have ever been to such a service, you know that the haunting notes of the melody provide an emotional end to the event. Garcia contacted me recently to say that he and his fellow buglers have been replaced by a battery-operated bugle. He wrote in an email: “When I sound live taps, I put all my spirit and soul into all 24 notes that I play, and that’s the same spirit and soul...