- revised by Margaret J. Kartomi
- and Mayco A. Santaella
Bamboo trumpet of the Toraja people in the province of South Sulawesi, Indonesia. It comprises a forward-projecting mouthpipe (blown directly, without mouthpiece) about 20 cm long and 1 cm in diameter, inserted and sealed with wax to a downward section about 9 cm by 1 cm, this connected to a horizontal section, and this to the main, vertical tube, 36 cm long and 3 cm in diameter, closed by a node at its base. The instrument is reinforced by a horizontal bamboo beam near the top of the main tube and by rattan string wound around the joints. These measurements are for the smallest bas; the largest is about 135 cm in overall tube length. It produces a single low-pitched tone. Various sizes of bas provide the main harmonic element in the Bas-suling ensemble. A similar trumpet played in the orkes bambu metalu of Minahasa, North Sulawesi, is called overton...