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 ...

Originally blues was sung to an aaa form, i.e. a single four-bar phrase ... dog dying (a), which is then repeated (over different chords) giving you aa. This is concluded with a new line inferring ...

Originally blues was sung to an aaa form, i.e. a single four-bar phrase ... dog dying (a), which is then repeated (over different chords) giving you aa. This is concluded with a new line inferring ...