This essay presents formal analyses and performance interpretations of Paul Hindemith’s Sonata for Viola Solo (1937). It consists of five chapters. The opening chapter explains the motives of research, the purpose, scale, and methodology used for this study. The second chapter explores Hindemith’s personal life and compositional style. The third chapter discusses Hindemith’s musical theory. The fourth chapter presents formal analyses and performance interpretations of Hindemith’s Sonata for Viola Solo. The fifth chapter is the conclusion.