Dorsey Wheeler attributed some of the success of his music store to the training and ongoing support he received from companies such as Peavey Electronics and Cannonball Musical Instruments. Having a strong relationship with his suppliers was a key element for his business, as was attending the NAMM Show annually. Dorsey was a band director for three years in the Idaho public school district before he decided to purchase a small music store in Nampa, just outside of Boise. He changed the name of the store to Dorsey Music in 1969 and set out to expand the business to several locati