"Hey Jude" is a song by the English rock band the Beatles, written by Paul McCartney and credited to Lennon–McCartney. The ballad evolved from "Hey Jules", a song McCartney wrote to comfort John Lennon's son, Julian, during his parents' divorce; check out the quote!
Hey Jude, don't make it bad,
Take a sad song and make it better.
Remember to let her into your heart,
Then you can start to make it better.
Hey Jude - Lennon/McCartney
"Hey Jude" was released in August 1968 as the first single from the Beatles' record label Apple Records.