The Porter Twins
Not all is lost: look what happens when we move the F7 and Gm from the previous lesson up two frets. Like magic, our “false positives” become true twins! I’ve named these twins after Cole Porter, whose song Let’s Do It (Let’s Fall in Love) was the first piece I played using this twin pair.
Practise the following exercises until you can change chords without interruption and so that all four strings ring clearly.