- J. Richard Haefer
Friction drum of Venezuela, similar to the Spanish zambomba, often played in pairs. It is a hollow log about 50 to 60 cm tall and 20 cm in diameter. Its single skin head is laced to the bottom of the instrument. A thin, lightly waxed stick about 60 cm long with a small knob on one end stands vertically with the knob touching the top of the head and is rubbed by the fists of both hands. The ...