Who came first Megadeth or Metallica?

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Tags

1. #angeles
2. #formed
3. #metallica
4. #after
5. #california
6. #bassist
7. #david
8. #megadeth
9. #shortly
10. #mustaine
11. #ellefson
12. #american
13. #heavy
14. #metal
15. #guitarist
16. #dismissal