Who were the pioneers of R&B?

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Tags

1. #established
2. #superstars
3. #berry
4. #1940s
5. #arrival
6. #music
7. #impetuous
8. #richard
9. #chuck
10. #would
11. #success
12. #classify
13. #pioneers
14. #charles
15. #early
16. #crossover
17. #until
18. #little
19. #1950s
20. #first
21. #blues
22. #artists