2-chord degree progression (e.g. C → G/B; G → D)
Song count per year
% of each member's catalogue with this tag (by writing credit)
as F → C
as G → D
as C → G
as C → G
as F → C
as C → G7
as C → G
Updated
Book
The Beatles: Complete Scores
Hal Leonard
Book
All the Songs
Margotin & Guesdon
Sheet music
Musicnotes – Beatles Piano/Vocal/Guitar
Musicnotes
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