The dynamics of a musical peice refer to the? Key signature. Composers history. Volume changes. Instrumentation.

The dynamics of a musical piece refer to the volume changes, or the varying levels of loudness and softness in the music. This can add depth, emotion, and intensity to the performance. The dynamics are typically indicated by Italian terms such as piano (soft) and forte (loud), as well as other terms such as crescendo (gradually getting louder) and decrescendo (gradually getting softer).