I–IV–♭III–IV

4-chord degree progression (e.g. A → D → C → D; F7 → B♭ → A♭add9 → B♭7)

songs

Analysis

Song count per year

% of each member's catalogue with this tag (by writing credit)

Early0 · 0%

Mid-period0 · 0%

Late2 · 100%

#	Title	Year	Album	Lead Vocal(s)	Notes
1	Back in the U.S.S.R.	1968	The Beatles (The White Album)	Paul	as A → D → C → D
2	Martha My Dear	1968	The Beatles (The White Album)	Paul	as F7 → B♭ → A♭add9 → B♭7

as A → D → C → D

as F7 → B♭ → A♭add9 → B♭7

Updated 2026-08-09