Afterwards different cultures moved to alternate variations of this harmonic system.

"I've used this harmonic system in quite a few of my classical pieces," Mr. Schickele said.

His use of these subset scales allowed him to incorporate a wide range of folk music in an expanded harmonic system.

But if you start by throwing our whole harmonic system overboard, I don't think it works.

Nature provides the elements of tonalité, but human understanding, sensibility, and will determine particular harmonic systems.

Its floating harmonic systems and pastel orchestra are mirror reflections of Debussy, who in 1913 was very much alive.

In its 'pure' form, quartal harmony cannot easily be combined with other harmonic systems.

No other harmonic system seems to exist to control this aspect of serialism.

The purpose of this great harmonic system is to acquire self-consciousness.

His complex and idiosyncratic harmonic system was a free adaptation of 12-tone technique, which he called the "mother lode."