196671 ⎘
Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments; Special musical scales, i.e. other than the 12- interval equally tempered scale; Special input devices therefor Hexatonal or hexatonic scales, i.e. six pitches or notes per octave, e.g. whole tone scale, augmented scale, Prometheus scale, blues scale