Lennon–McCartney (sometimes McCartney–Lennon) was the songwriting partnership between English musicians John Lennon (1940–1980) and Paul McCartney (born 1942) of the Beatles. It is the best known and most successful musical collaboration ever by records sold, with the Beatles selling over 600 million records worldwide as of 2004. Between 5 October 1962 and 8 May 1970, the partnership published approximately 180 jointly credited songs, of which the vast majority were recorded by the Beatles, forming the bulk of their catalogue.