4010 / 18210 · Workshop 22 — “There Is No Greater Love”: Major-Key Fluency, ii–V Compression, Secondary Dominants, and Making a Standard Feel Effortless← prev⊞ allnext →
22.47Level 22 — melody note determines borrowed chord usability
If melody is G over E♭m:
G conflicts with the chord's G♭.
That may make borrowed iv impossible at that exact moment.
So check the melody.
Never apply substitutions mechanically.