Hohner Marine Band Crossover Harmonica Features at a Glance: Key of Bb (diatonic) Excellent for blues, rock, jazz, soul, or funk Laminated bamboo comb is completely sealed, water repellent, and exceptionally stable Air-tight screw-together assembly Fast, even response Powerful, raspy sound that's well suited to amplified and acoustic styles Modern compromise tuning is ideal for single-note and full-chord playing