<Table> <Tr> <Td> </Td> <Td> This biography of a living person needs additional citations for verification . Please help by adding reliable sources . Contentious material about living persons that is unsourced or poorly sourced must be removed immediately, especially if potentially libelous or harmful . (April 2016) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This biography of a living person needs additional citations for verification . Please help by adding reliable sources . Contentious material about living persons that is unsourced or poorly sourced must be removed immediately, especially if potentially libelous or harmful . (April 2016) (Learn how and when to remove this template message) </Td> </Tr> <P> Lennon--McCartney was the songwriting partnership between English musicians John Lennon (9 October 1940--8 December 1980) and Paul McCartney (born 18 June 1942) of the Beatles . It is one of the best known and most successful musical collaborations in history, with the Beatles selling over 600 million records, tapes and CDs as of 2004 . Between 1962 and 1969, the partnership published approximately 180 jointly credited songs, of which the vast majority were recorded by the Beatles, forming the bulk of their catalogue . </P> <P> Unlike many songwriting partnerships that comprise separate lyricist and composer, both Lennon and McCartney wrote words and music . Sometimes, especially early on, they would collaborate extensively when writing songs, working "eyeball to eyeball" as Lennon put it . Later, it became more common for one of the two credited authors to write all or most of a song with limited input from the other . </P>

How many songs did lennon and mccartney wrote together