Where did the name R&B come from?

Related questions

1. Who is the father of rhythm and blues?
2. What is R&B music today?
3. Why did R&B become popular?
4. What is R&B soul?
5. What is the difference between soul and blues?
6. What does R&R mean?
7. Who made R&B popular?
8. What is the purpose of R&B music?
9. What does Solange mean?
10. How would you describe R&B music?

Tags

1. #genre
2. #introduced
3. #derived
4. #scene
5. #blues
6. #origins
7. #music
8. #american
9. #phrase
10. #rhythm
11. #initially
12. #describes