Angklung instruments.
Yes, Angklung is a multitonal (double-pitched) musical instrument that has traditionally developed in Sundanese society. This instrument is made from bamboo, sounded by way of shaking (the sound caused by bamboo pipe body collision) so as to produce a vibrating sound in the composition of the tone of 2.3 and 4 Tone of each size, both large and small.
Dictionary of the sunda language by jonathan rigg, published in 1862 in batavia, writes that angklung is a musical instrument made of bamboo that is cut into the end, resembling a pipe in one organ and bundled together in a frame, then vibrated to produce beautiful sound. Udio ngalagena is the name of angklung figures who developed the game technique based on barrel pelog, salendro and madenda. Began to teach how to play angklung bnyak people in various communities, especially in Indonesia.