Share 'African Thumb Piano Tuning'

In Afro-American Folksongs, published in 1913, ,Henry E. Krehbiel describes an African instrument called a zanze as follows: "The zanze is a small sound-box...hollowed out in the form of a round gourd to the upper side of which, over a bridge, are tightly affixed a series of wooden or metal tongues of different lengths. The tongues are snapped with the thumbs...and give out a most agreeable sound…