The HOHNER Orchestra Series Butterfly Harmonica in Tremolo Soprano key of C is a vintage wind musical instrument that produces a beautiful tremolo effect. Made by the renowned brand HOHNER, this harmonica is designed for folk and world music enthusiasts who appreciate its rich sound and unique tremolo feature. Perfect for adding depth and soul to any musical performance, this harmonica is a must-have for musicians looking to enhance their sound with a vintage touch. AWESOME WORKING CONDITION.