The Ultimate Scale, Chord and Arpeggio Reference for Guitarists. Unlike ordinary chord and scale books, GuitarPower is a truly interactive learning system. Quickly and effectively learn to use scales, chords, arpeggios and notes. GuitarPower will teach you: * Over 3000 chord voicings * Over 500 scales * Over 550 arpeggios * Triads in any inversion * Notes on the fretboard * Chord / Scale relationships * How to name your own chord voicings GuitarPower includes the following features: * All chords fully fingered * Displays formulas and notes contained within selected chord, scale etc. * Scales and Arpeggios can be displayed over the whole fretboard or restrictred to one position * Over 200 play-along backing tracks * Practice chord progressions are included.