recording, When I'm 64 is actually one of McCartney's earliest compositions.   http://www.rarebeatles.com/sheetmu/uk/smukwhe n1.jpg   http://ak.static.dailymotion.com/dyn/preview/ 160x120/1924529.jpg   " When I'm Sixty-Four " is a love song by The Beatles , written by Paul McCartney [1] [2] (but co-credited to John Lennon ) and released in 1967 on their album Sgt. Pepper's