He then leads 50 of the comic's most famous characters in a sing-along version of Hey Jude.

BBC: Paul McCartney to appear in final Dandy comic

Apple put out three other singles on the same day it released "Hey Jude, " including "Those Were the Days" by Welsh singer Mary Hopkin.

NPR: The Beatles' Apple Records: 40 Years Later

Some choose to croon out Hey Jude with heartfelt sincerity.

BBC: News | UK | Name your Fab Four tops and flops

Day Tripper - an ode to sexual permissiveness - was the Beatle's first flirtation with social realism, while Hey Jude, Eleanor Rigby, Get Back and Come Together remain complex, serious songs from a seriously important band.

BBC: CD Review: The Beatles