What does the song Hey Jude by the Beatles mean?

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Tags

1. #parents
2. #became
3. #cheer
4. #meaning
5. #originally
6. #version
7. #during
8. #sweet
9. #wrote
10. #beatles
11. #julian
12. #rough
13. #called
14. #mccartney
15. #eventually
16. #behind
17. #jules
18. #lennon
19. #divorce