Why are the St Louis Blues called the blues?

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Tags

1. #center
2. #named
3. #moving
4. #downtown
5. #saint
6. #louis
7. #blues
8. #arena
9. #since
10. #teams
11. #founded
12. #games
13. #enterprise
14. #which
15. #after
16. #franchise
17. #expansion
18. #handy
19. #their