Frontiers of music information research based on signal processing

How will music information research open up the future to new ways of enjoying music? Today it is the fate of all music in the world to be digitized, and the era in which we can listen to a large selection of our favorite music anytime and anywhere has arrived. In the past we generally listened to music passively, but in the future we will be able to enjoy music in a more active manner. In this keynote paper, I will discuss how music technologies will open up new possibilities in both music appreciation and music creation.