Birthday(original mono studio mix)

Credits

• Chris Thomas
  producer
• George Harrison
  guitar, handclaps
• John Lennon
  handclaps, lead vocals, tambourine
• Ken Scott
  engineer
• Mal Evans
  handclaps
• Pattie Boyd
  background vocals, handclaps
• Paul McCartney
  bass guitar, handclaps, lead vocals, piano
• Ringo Starr
  drums (drum set), handclaps
• Yoko Ono
  background vocals, handclaps