Who created thrash metal?

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Tags

1. #frontman
2. #decided
3. #prior
4. #hetfield
5. #speed
6. #thrash
7. #metal
8. #james
9. #sound
10. #auditioning
11. #another
12. #their
13. #guitarists
14. #california
15. #kerry
16. #power
17. #metallica
18. #referred
19. #formed
20. #hanneman
21. #while
22. #southern
23. #subsequently