Notesaaz is both a new physical interface meant for musical performance and aproposal for a three-stage process where the controller is used to navigatewithin a graphical score that on its turn controls the sound generation. It canbe seen as a dynamic and understandable way of using dynamic mapping betweenthe sensor input and the sound generation. Furthermore by presenting thegraphical score to both the performer and the audience a new engagement of theaudience can be established.