John Lennon was killed 36 years ago today, gunned down outside his apartment building in New York. He was 40 years old.
In the intervening years, his gifts as a songwriter have been rediscovered by each new generation, and his musical legacy continues to inspire and delight listeners of all ages.
Much of his best known work was, of course, created in partnership with Paul McCartney - but, despite most of their Beatles songs having a dual Lennon/McCartney writing credit, they were often chiefly the work of just one of them
Do you know your Lennon songs from your McCartney songs? Test your knowledge with this quiz.
Below are 10 Beatles tracks - simply pick whether you think it was predominantly written by John Lennon or Paul McCartney.
Share your score on Twitter or Facebook, and let the world know how you got on.