In the late 1970s a vinyl LP disc was published with recordings by David Marks of the Mpondo Xhosa musician Madosini Manqina [CD track 1]. The disc included several recordings of an unnamed musical instrument, referred to by Marks on the record sleeve as a ‘home-made Jew's harp'. The music produced by this instrument was a two-part overlapping polyphony, like a wind instrument accompanied by an overtone instrument - a musical bow of some sort. When I began work at the Catholic Lumko Pastoral Institute, situated then at old Lumko Mission near Lady Frere in the rural Thembu Xhosa area, I set about trying to find the instrument, to see if anyone in that area could play it. The most likely candidate was umrhubhe, a small musical bow which sou...