Definition: Rheoscopic is a type of musical technique used in classical music to enhance the emotional impact and expressive power of a piece. It involves manipulating the pitch, duration, and rhythm of a musical note or melody to create a more powerful and dynamic effect on an audience member's experience. In other words, rheoscopic is a method of using the pitch of a musical instrument (such as a piano) to influence how listeners perceive and respond to the music. By altering the pitch of the instrument, the