I–IV–I–♭III

4-chord degree progression (e.g. G → C7 → G → B♭; E7 → A7 → E7 → G)

songs

Analysis

Song count per year

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

Early0 · 0%

Mid-period1 · 50%

Late1 · 50%

Year

Album

Writer

Lead vocal(s)

#	Title	Year	Album	Lead Vocal(s)	Notes
1	Sgt. Pepper's Lonely Hearts Club Band	1967	Sgt. Pepper's Lonely Hearts Club Band	Paul	as G → C7 → G → B♭
2	Yer Blues	1968	The Beatles (The White Album)	John	as E7 → A7 → E7 → G

as G → C7 → G → B♭

as E7 → A7 → E7 → G

Updated 2026-06-03