The ii–V you just played in the old key reads, in the key a whole step down, as iii–VI7 — the top of that key's lane. Refuse the expected resolution and let the lane keep falling: 3-, 6⁷, 2-, 5⁷, new 1. One module, two passports, and the border crossing happens mid-phrase.
hear it in bebop reharms · Tin Pan Alley pivots
Lead-in — how players set it upApproach the module from 1 so both readings are alive.Or spotlight the pun: fermata on 5⁷ while it changes passports.Or approach from 4 so the module arrives pre-loaded.Follow — where it usually goesOnce landed, the new lane keeps falling all the way home.Chain it — every landing's ii–V is also someone's iii–VI.Or come home the same door: the new 2-–5⁷ read up a step.
Keep the ii–V lick going past its expiry — the same line, unresolved, becomes the new key's iii–VI and falls naturally home.Target tones (in C)Dm7 — lean on F (b3) · C (b7)G7 — lean on B (3) · F (b7)Cm7 — lean on Eb (b3) · Bb (b7)F7 — lean on A (3) · Eb (b7)Bb — lean on D (3)Half-step wiresC ↘ B · B → C · D → Eb · Bb ↘ A · A → Bb · Eb ↘ DAcross the borderno shared tonic tones with Bb — cut clean and re-land