- Margaret J. Kartomi
- , revised by Mayco A. Santaella
Percussion instrument of central Sulawesi, combining elements of an idiophone and struck aerophone. It was formerly used throughout Sulawesi; in northern Sulawesi it is known as a jarumbi mandar. It is a bamboo tube closed by a node at the bottom end, and cut away in the upper two-thirds of its length to form two tongues about 3 cm apart. The tube is a tuned air column. It exists in two sizes: one about 90 cm long, the other about 60 cm long and 4.5 cm in diameter. Two triangular fingerholes face each other on opposite sides of the distal part of this tube, each with a slit running up to the space between the tongues. The player holds the tube in his right hand and strikes one tongue on his left wrist. The tube resonates and amplifies the buzzing sound produced by the vibrating tongues. One fundamental tone sounds, its pitch and the prominence of its partials varying according to whether the fingerholes are closed or not. The ...