National Geographic : 1919 Oct
CONGO XYLOPHONISTS AND THEIR HOME-MADE INSTRUMENT As found among the Bapinji, this is a highly developed instrument of music; it is well tuned in a scale closely resembling ours. The blades are made of hardwood, and each blade has a separate sounding-box, consisting of a dry gourd attached underneath. Some of the players are real artists and have a repertoire of many tunes, but from the expression on the face of the musician at the right it may be inferred that some one has struck a false note. A BAPINJI BELLRINGER: HIS TOCSIN IS A WOODEN GONG The gong is a highly developed means of signaling at considerable distances and certain tribes are past masters in transmitting even the most complicated messages.