Written by John Lennon and credited to Lennon and McCartney. This would have been released as a single had it not been for Paul McCartney writing Can’t Buy Me Love.
It appeared on the Hard Days Night Album
The intro riff played by George Harrison on a 12 string guitar is based on a G chord. The verse is a G7 C7 D7 chord progression. The Bridge section is B7 Em Am Bm G7 progression. Interestingly the solo is played by John Lennon normally solo duties were George’s department