When did Josh Dun join Twenty One Pilots?

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Tags

1. #signed
2. #records
3. #became
4. #album
5. #drummer
6. #atlantic
7. #twenty
8. #label
9. #april
10. #fueled
11. #record
12. #studio
13. #pilots
14. #subsequently
15. #subsidiary
16. #ramen
17. #regional
18. #second
19. #released