Watch the Transposing Keys: Exercises online guitar lesson by Dave Celentano from CAGED Commander
Play through the 'C form' scale pattern and arpeggio in the key of D major (see attached tab charts). The additional charts in this lesson include the five CAGED system barre chord shapes and positions, five CAGED system scale patterns, and a 'C form' arpeggio in the key of D major. Other common guitar keys worth studying the CAGED system with are G major, F major, A major, and E major. In fact, apply the info and concepts learned in this course to all keys!