Hohner Thunderbird Marine Band Key of Low CAre you a harmonicist? If you want to get in on the low tuned trend, Music Experience has your axe. The Hohner Marine Band Thunderbird is a ground breaking instrument that takes the diatonic harmonica into the low and super low registers, for a sound that's satisfyingly deep, resonant, and rich with overtones. Hohner packed the Thunderbird with innovations such as layered, triple laminated bamboo comb construction, new reed profiles for quick response