Add to ORKG"Muyola Mbwelwe is a beautiful girl, and what is more she wears a lovely snuff box." Since recording these two items in 1950, I have been told that these stamping tubes almost if not all together absolete and no longer to be found in Kamba country. The Kyaa is a traditional instrument among the Kamba. It consists of a hollowed tube of euphorbia wood about 3-4 feet long, slightly bulging, with a hide cap on the lower end. A wire is attached to this membrane and passed up the length of the tube and is fixed at the top. If properly tuned it would help the column of air to vibrate when the tube is struck vertically on the ground. A handle is provided at the top of the tube by which the player grips the Kyaa and beats it on the ground. A circlet...