Here are the two string rock chord shapes for E, E6 and E7. Play only the 6th and 5th strings.
E
E6
E7
The following two bar chord progression uses these rock chord shapes. Play only downward eighth note strums.
Play the following 12 Bar Blues in the key of A using rock chords. When there are two bars of a chord, substitute a two bar pattern. For the A chord in bars 1 and 2, 3 and 4, 7 and 8, use the two bar pattern in example 201. For the D chord in bars 5 and 6, use the two bar progression in example 202. Try to play this 12 Bar Blues from memory. If you hope to play in a band or even jam with your friends, the ability to play songs from memory is an important skill to develop.