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The Cycle of 4ths
(tones arranged in a series of perfect 4ths)
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C
G
F
Diminished 7th Chords
Diminished 7th Chords are built on a series of minor 3rds. The notes form a square in this cycle of 4ths diagram. Notice that there are only 3 unique Diminished 7th Chords.
D
B
Augmented Chords
Augmented Chords are built on a series of major 3rds. The notes form an equilateral triangle in this cycle of 4ths diagram. Notice that there are only 4 unique Augmented Chords.
A
E
Whole Tone Scales
The notes of a Whole Tone Scale form a hexagon in this cycle of 4ths diagram. Notice that there are only 2 unique Whole Tone Scales.
E
A
B (C
)
D
(C
)
G
(F
)
copyright © Bill Mocarsky 2000 - 2002