What are the common musical features of the Twelve Bar Blues?

Related questions

1. Where did WC Handy first hear the blues?
2. Who was the first R&B artist?
3. Who invented rhythm and blues?
4. How do you define blues music?
5. Is Blues Music happy or sad?
6. What is the home of the blues?
7. Why is it called rhythm and blues?
8. How did blues become popular?
9. Why do people listen to the blues?
10. What are the musical roots of rhythm and blues?

Tags

1. #chords
2. #blues
3. #based
4. #twelve
5. #distinctive
6. #popular
7. #lyrics
8. #music
9. #changes
10. #progression
11. #phrase
12. #structure
13. #progressions
14. #predominantly
15. #chord
16. #basic
17. #duration
18. #prominent