Birthday

"Birthday" is the first track off side three of The Beatles (album), more commonly known as "The White Album", written and composed by the pair of John Lennon and Paul McCartney

Composition
According to McCartney, Birthday was written one afternoon while John and Paul were on break from the studio. Paul returned early to finish the song, and by early morning, the entire mix was created. Little known, that clapping during the bridge were Pattie Boyd, George Harrison's first wife, and Yoko Ono

Personal

 * Paul McCartney – vocal, piano, handclaps
 * John Lennon – vocal, backing vocal, lead guitar, handclaps
 * George Harrison – 6-string bass, handclaps
 * Ringo Starr – drums, tambourine, handclaps
 * Patti Harrison – backing vocal, handclaps
 * Yoko Ono – backing vocal, handclaps
 * Mal Evans – handclaps