MiSoundofNature Kalimba 17 Keys Thumb Piano, Hollow C Tone Kalimba Instrument, Rosewood Round Hole Opening Box Resonace Single Board TrepanningMiSoundofNature Kalimba 17 Keys Thumb Piano, Rosewood Originating in Africa. Perfected by MiSoundofNature. The soul of the instrument lies in the wood. The Sound Hole Advantage The resonant box features a sound hole that creates "wah wah" effects manually encouraged by covering or uncovering the hole. The 17 key kalimba provides excellent performance of warm, slow music. Features Carefully Selected Wood Rosewood Rosewood features straight grained