"Hey Jude" is one of the great ballads of pop music, the trademark of the song is its extremely expressive melody.

John Lennon lived separated from his wife Cynthia in the summer of 1968 and waited for a divorce, which was a great affliction for Julian, their five-year-old son. McCartney, who stood like an uncle to the boy, visited the boy, and on the way there he found the melody of the song, which at first consisted only of the message: Hey Jules, don't let it get you down. Later Hey Jules ...