The strings from the hammered dulcimer stand out with melody and percussive rhythms through the playing of Sam Rizzetta. The founder of multi-dulcimer group, Trapezoid, in 1975, Rizzetta provides continued to artistically explore his multi-stringed device being a soloist since 1979. Furthermore to preserving a busy plan being a performer and composer, Rizzetta is becoming among the most important designers and contractors of hammered dulcimer. His musical instruments, which were exhibited on the Smithsonian Institute as well as the Country wide Folk Festival, are observed for their extended tonal range and beautiful audio. Rizzetta, who resides in Western world Virginia, has proceeds to instruct in the dulcimer section that he helped to start in 1974.