. Features:. The steel tongue drum is a musical instrument that resonance of the entire cavity is caused by the vibration of the sound tongue. The 13-tone Lotkey steel drum has a wider natural tuning range, can play a wider style and most of songs. With a larger resonance cavity, the sound of Lotkey 12 Inch steel drum is melodious,beautiful and clean,which can purify listener body and soul. Selected high-quality synthetic materials, not easy to be corroded, this tongue drum will not peel off paint and have a long service life. With its melodious ethereal tone, the steel tongue drum can be used.