Did the Beatles do their own voices in Yellow Submarine?

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Tags

1. #agreement
2. #yellow
3. #submarine
4. #appear
5. #fulfill
6. #voice
7. #actually
8. #beatles
9. #contractual
10. #order
11. #their
12. #actors
13. #closing
14. #scene
15. #participated
16. #animated
17. #played