hear it in “Autumn Leaves” — the whole tune is this
Lead-in — how players set it upDrop it after 1Δ7 — the ø7 signals 'minor destination ahead.'From 4Δ7 — the ø7 shares three tones and slips in unseen.Or from 1, announcing the minor turn immediately.Follow — where it usually goes6- can stay moody or lift back via 4.Extend in minor: 6-, borrowed b6, back through 5⁷.Or make it a modulation — cadence again in the relative minor.
Treat it as a mini key: over 7ø⁷–3⁷ play the 6- world's notes (raise the key's 5) and resolve to the 6-'s root.Target tones (in C)Bm7♭5 — lean on D (b3) · A (b7)E7 — lean on G# (3) · D (b7)Am — lean on C (b3)Half-step wiresF ↘ E · A ↘ G# · G# → A · B → C