Watch the E7 to A7 online guitar lesson by Joe Dalton from Acoustic Blues Handbook
There are some interesting moves we can make as you switch from the E7 to the A7. The G# is the third of the E7 chord. The G natural is the seventh of the A7 chord. The G# belongs to the E Major scale. The G natural is a half step down from the G#. The addition of the color of the G natural with the movement of only a half step creates an interesting flow of melodic notes. Check out these cool moves.