Same falling line, minor address: sit on your 6- chord and let one voice fall a half step at a time (on record it's usually the bass — Stairway walks it right down). Home key never moves; the minor chord just grows a tail. Spy scores and slow-burn intros live here.
movesthe minor chord's root-side voice falls: R → maj7 → b7 → 6 (of that chord)solo·singfollow the falling line — every note of it is a legal long toneon recordStairway to Heaven — Led Zeppelin (intro) · Michelle — The Beatlestry itBefore your chorus, give the 6- two bars of this descent instead of one static bar.