2-chord progression
Song count per year
% of each member's catalogue with this tag (by writing credit)
as D → A7
as D7 → A7
as D/G → A
as D7 → A
as D7 → A
as D/A → A
as D7 → A
as D7 → A7
as D7 → A7
as D7 → A9
as D/E → A
as D → Asus4
as D/F♯ → A/E
as D → A7
as D → A7
as D → A7
as D/A → A
Updated
Book
The Beatles: Complete Scores
Hal Leonard
Sheet music
Musicnotes – Beatles Piano/Vocal/Guitar
Musicnotes
Book
All the Songs
Margotin & Guesdon
affiliate link – supports this wiki