ChordBuddy Chordbuddy Guitar Learning System and Practice Aid It gets you playing from day one. It allows you to progress faster, without seeming like work or learning at all. It's a proven, effective, all-in-one system, suitable for all ages. Instruction Book and Companion DVD with a 2 Month Lesson Plan. Chord Buddy Songbook with over 60 Songs Works on acoustic and electric guitars. The Chord Buddy currently does not work on left-handed guitars, nor does it work on Classical or half-sized (Children's) guitars