Do Twenty One Pilots write their own songs?

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Tags

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2. #joseph
3. #comes
4. #basement
5. #something
6. #phrase
7. #pilots
8. #recording
9. #realized
10. #title
11. #music
12. #twenty
13. #writing
14. #album
15. #being
16. #always
17. #before
18. #where
19. #demos
20. #piano
21. #looked