You Are Reading the First 6 FREE Chapters (470 pages)
Harmonic Sequence: Two-chord Progressions
Not so in harmony.
You hear only one harmonic interval when you play the two-chord progression (harmonic sequence):
C – GG – C
And when you play the harmonic sequence (chord progression):
C – G – C
you still hear only two chords. The second C chord is exactly the same chord as the first C chord. The octave in which you play these chords does not matter. The two chords are both still either C major or G major chords.
And yet, despite the single harmonic interval, there is an important distinction between these two harmonic sequences:
C – GG – C