Who was the first R&B singer?

Related questions

1. What is the difference between R&B and contemporary R&B?
2. When did funk die?
3. What is the melody of R&B?
4. Why is R&B called rhythm and blues?
5. What does R&B stand for now?
6. Is the Blues a form of jazz?
7. Why is it called soul music?
8. What exactly is R&B?
9. Is R&B a disco?
10. What made the blues popular?

Tags

1. #louis
2. #calloway
3. #wexler
4. #others
5. #basie
6. #music
7. #jerry
8. #blues
9. #journalist
10. #first
11. #harlem
12. #coined
13. #record
14. #prominence
15. #jordan
16. #producer
17. #count
18. #hamfats
19. #1940s
20. #rhythm
21. #turned