An apparatus and method to output a musical tone is disclosed. More particularly, disclosed is an apparatus and method to output a musical tone according to motion, which divides a space in which a terminal can move into a plurality of subspaces, and matches the subspaces with different musical tones,...http://www.google.de/patents/US7723604?utm_source=gb-gplus-sharePatent US7723604 - Apparatus and method for generating musical tone according to motion