Co written by Lennon and McCartney with the upbeat “we can work it out” lyric by Paul and the more pessimistic line of “life is very short” by John
The almost waltz feel of the bridge section was George Harrison’s idea
Chords in this song are simple D Dsus4 C for the verse and chorus of G D G A.
But where things get really interesting are in the bridge and where The Beatles in my opinion influenced so many songwriters with Bm Bm/A G F#7sus4 F#7 then in waltz timing Bm Bm/A Bm/G Bm/F#