Earlier in my life I was constantly plagues with multiple canker sores which interfered with my trumpet playing. For some reason, they always seem to locate in the most inopportune places on my lip and at the worst times; most often before a concert or solo/ensemble contest. These dastardly villains were treated with everything from alum to hydrogen peroxide. While on tour with my college wind ensemble, our host, who was a dentist, assured me that he could solve my problem by applying silver nitrate on my lip. Not only did that not work, but my host also successfully dribbled…