Why is it called rhythm and blues?

Related questions

1. Where did WC Handy first hear the blues?
2. When was rhythm and blues created?
3. What music style is R&B based on?
4. What influenced rhythm and blues?
5. What are the musical roots of rhythm and blues?
6. Who invented rhythm and blues?
7. Why do people listen to the blues?
8. What is the difference between blues and rhythm and blues?
9. Who invented the blues?
10. Who was the first R&B artist?

Tags

1. #styles
2. #blues
3. #shifts
4. #starting
5. #development
6. #contributed
7. #developed
8. #refer
9. #music
10. #number
11. #undergone
12. #style
13. #incorporated
14. #gospel
15. #electric
16. #meaning
17. #after
18. #became
19. #1950s
20. #rhythm