Tensions ran high during the later years of The Beatles. Paul McCartney, John Lennon, George Harrison and Ringo Starr had been working together since 1962 and artistic differences emerged in the years after their 1966 retirement from touring, as they devoted their time to experimenting in the studio.

Sir Paul McCartney has revealed his favourite song of all time is Cheek To Cheek, which was made famous by Fred Astaire in the 1930s

Sir Paul McCartney has revealed his favourite song and it's one that many will be familiar with - but not one from The Beatles. The song is a well known tune from the 1930s sung by Fred Astaire. In an interview,