Hohner Crossover Harmonica - Key of D Hohner's Marine Band Crossover harmonica is a top-of-the-line instrument made with professional quality and attention to detail that's well-suited for modern blues, rock, jazz, soul or funk. The patented laminated bamboo comb is sealed with dual layers along an UltraGlide coating to ensure it's water-repellent and exceptionally stable. This harmonica is airtight with a fast, even response and a raspy, powerful sound which provides a wonderful sound to amplified or acoustic playing. The modern tuning is ideal for single note playing in different positions while still retaining a full chord sound, making the Marine Band Crossover a smart addition to your sound.