Hohner MBC Marine Band Diatonic Harmonica 5-Pack SetDurable seven slotted custom harmonica case includes five Marine Bands in the keys of C, G, A, D and E. This set will get you started playing the blues and is perfect for folk, country and bluegrass styles as well. Played by virtually all blues harmonica legends, the Marine Band is recognized by its rich, full tone, musical range and distinctive single lacquered wood comb. The Marine Bands German craftsmanship is unparalleled and has set the standard