- Andrew C. McGraw
Aerophone of Indonesia. A narrow open tube of bamboo about 4 cm in diameter and 110 cm long is placed inside a larger bamboo tube about 15 cm in diameter and of similar length, closed by a natural node at the lower end. The player blows with buzzing lips through the narrow tube, simultaneously humming a low-pitched tone, to produce a deep fundamental with a prominent 5th and octave. The instrument is primarily used in small bamboo ensembles to imitate the large bronze gong ageng of the gamelan. In Madura it is known as the serbung or bumbung and is used in the Bak beng and jombang ensembles. In Java it is known as the gong bumbu, gumbang, or bumbung. In West Java it is called the goong awi; in Maluku it is the gumbang. In the Lio area of Flores it is called the bomberdom and in the Manggarai area the ...