Harmonic Systems - Harmonizing from top notes (melodies)
In the jazz world, Barry Harris came up with the idea of harmonizing a bebop scale.
Combining a C6 (C, E, G, A) and a Bdim7 (B, D, F, Ab) chords, we have this scale:
From this stantpoint we can alternate tonic and dominant sounds, like this:
Every pair of chords have all the 8-note set.
The notes C,E, G and A are always harmonized with a C6 chord.
The notes D, F, Ab and B are always harmonized with a Bdim7 chord.
So, from
I found a solution with pattern-match.
Pitches for melody
(setf melody '(c5 c5 d5 e5 g5 a5 g5 c6 b5 c6))
Block harmonization with pattern-match
(setf blkharm (pattern-map '(((c3) (e2g2a2c3)) ((d3) (f2gs2b2d3))
((e3) (e3c3a2g2)) ((f3) (gs2b2d3f3))
((g3) (g3e3c3a2)) ((gs3) (b2d3f3gs3))
((ab3) (b2d3f3ab3)) ((a3) (c3e3g3a3))
((b3) (d3f3ab3b3)) ((c4) (e3g3a