E Harmonica Book-Finally. There is a definitive reference guide available for Harmonicas in each and every key. This ground breaking series unlocks the musical power of the 10-hole major diatonic Harmonica.One key at a time each isdesigned to present detailed musical information for beginners intermediate and advanced players who are either music readers or non-reading players. Learn the notes intervals bends overbends dyads chords arpeggios modesand scales that are specific to each Harmonica key.There is also a special section in each book showing other types of diatonic Harmonicas and the variations unique to them like - extreme bending low-tuned octave andtremolo-tuned models and more.