8671 / 18210 · Workshop 70 — From Lead Sheet to Full Solo-Piano Arrangement: Melody First, Bass Second, Inner Voices Third, Chord Symbols Last← prev⊞ allnext →
70.44Level 20 — substitution by inner-line requirement
Suppose inner line wants:
A→A♭→G.
That suggests:
F→Fm→C.
Again:
the chord grows from the line.