Written by: Mike Stoller, Little Richard

Lyrics by: Jerry Leiber, Little Richard

Produced by: George Martin

Performed by: John Lennon (handclaps), George Martin (piano), Paul McCartney (electric bass guitar), Paul McCartney (handclaps), Ringo Starr (drums (drum set)), Ringo Starr (handclaps), George Harrison (background vocals), John Lennon (background vocals), Ringo Starr (background vocals), George Harrison (electric guitar), John Lennon (electric guitar), Paul McCartney (lead vocals), George Harrison (handclaps)