12-bar blues progression

Question 1

What chords are used in the 12-bar blues progression?
Answer below:

Bars 1-4:
Bars 5-6:
Bars 7-8:
Bars 9-10:
Bars 11-12:

Answer 1

Bars 1-4: I
Bars 5-6: IV
Bars 7-8: I
Bars 9-10: V
Bars 11-12: IV

Question 2

What chords can be used to add variety and complexity to the progression?
1:
2:
3:

Answer 2

1: ii
2: iii
3: vi

Question 3

In the key of C, what chords would be used?

Answer 3

C, F, G

Question 4

In the key of Db, what chords would be used?

Answer 4

Db, Gb/F#, Ab

Question 5

In the key of D, what chords would be used?

Answer 5

D, G, A

Question 6

In the key of Eb, what chords would be used?

Answer 6

Eb, Ab, Bb

Question 7

In the key of E, what chords would be used?

Answer 7

E, A, B

Question 8

In the key of F, what chords would be used?

Answer 8

F, Bb, C

Question 9

In the key of Gb/F#, what chords would be used?

Answer 9

Gb/F#, B, Db

Question 10

In the key of G, what chords would be used?

Answer 10

G, C, D

Question 11

In the key of Ab, what chords would be used?

Answer 11

Ab, Db, Eb

Question 12

In the key of A, what chords would be used?

Answer 12

A, D, E

Question 13

In the key of Bb, what chords would be used?

Answer 13

Bb, Eb, F

Question 14

In the key of A, what chords would be used?