As soon as the ChordBuddy is properly attached to your acoustic or electric guitar, you will be able to make music instantly. This revised edition of the complete learning system now features a color-coded songbook, updated DVD, and re-vamped packaging. As before, this pack includes a ChordBuddy device and instruction book as well. The ChordBuddy is in the key of “G” and makes the “G” “C” “D” and “Em” chords.