It’s the most common form of the 12-bar blues, but it is common in music to see the arrangement of chords moved about a bit. Notice that there are only three chords throughout: A7, D7 and E7 (a ...

Primary chords Learn to perform the 12-bar blues chord sequences which form the basis of many rock ’n’ roll songs. Using three chords, write your own eight-bar chord sequence. Add a flattened ...