I–IV–V–vi

4-chord degree progression (e.g. F7 → B♭ → C7 → Dm; D7 → G7 → A7 → Bm/F♯)

songs

Analysis

Song count per year

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

Early1 · 50%

Mid-period0 · 0%

Late1 · 50%

Year

Album

Writer

Lead vocal(s)

#	Title	Year	Album	Lead Vocal(s)	Notes
1	Tell Me Why	1964	A Hard Day's Night	John	as D7 → G7 → A7 → Bm/F♯
2	I Will	1968	The Beatles (The White Album)	Paul	as F7 → B♭ → C7 → Dm

as D7 → G7 → A7 → Bm/F♯

as F7 → B♭ → C7 → Dm

Updated 2026-06-03