A ketadu, heterochord tube zither. The tubular body of bamboo, originally built with 12 wire strings tuned from pegs encircling a wooden pegbox at the top of the instrument (one peg missing), and looped around nails in a node at the opposite end. Six of the strings have bridges made of bamboo. The instrument is tied with a resonator, haba, made of a lontar palm (borassus sundaicus) leaf, with thirteen midribs, that is incised, stitched and folded to form a decorative finial.
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