Another common Blues progression is the eight bar Blues progression. A variation of this sequence is shown next, and includes two bars of the I chord, two bars of the IV chord, one bar of the I chord, one bar of the V chord and two bars of the I chord.
The eight bar Blues progression just shown is played in the key of A as follows.
As with the 12 Bar Blues progression there are several variations on the 8 bar blues progression, some of which will appear throughout the book. The following variation incorporates seventh chords into the progression.
The next eight bar variation is often used in Country-Blues songs.