This concept is a quartal harmony idea using chords in 4ths to create a 12 tone line. It is presented here for guitar and piano moving in octaves.
Tetrachords in 4ths descending in major 3rds creating a 12 tone Piano example.
Clifford Earle Martin · Piano 12 tone 4ths idea
Guitar “Tetrachords” in 4ths descending in major 3rds creating a 12 tone example.
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