What is the 12 bar blues form?

Related questions

1. Why is WC Handy the father of the blues?
2. What are the common musical features of the Twelve Bar Blues?
3. Why is it called rhythm and blues?
4. Who invented the blues?
5. Who first did I put a spell on you?
6. Why is it called 12 Bar Blues?
7. How did blues become popular?
8. What does blues music sound like?
9. When was rhythm and blues created?
10. What are the musical roots of rhythm and blues?

Tags

1. #typical
2. #chords
3. #features
4. #musical
5. #three
6. #first
7. #notes
8. #typically
9. #written
10. #blues
11. #number
12. #standard
13. #based
14. #measures
15. #refers
16. #scale
17. #express
18. #sequence
19. #eight
20. #progression
21. #fourth
22. #fifth
23. #theme