👉 The term "hypophonic" in the context of music refers to a musical scale that is composed entirely of notes from the diatonic scale, with no additional notes added or removed. This is often used in orchestral and chamber music settings where the only additional note added or removed is the diatonic scale's root note. The term "hypophonic" was introduced by Friedrich Schenker, a German composer and teacher of music who made significant contributions to the development of the concept