Cak: Indonesia musical instrument

The cak is a stringed musical instrument that is from Indonesia. The musical instrument has four strings in three courses. The musical instrument is tuned D5 D5, G4, B4. The strings of the cak are made of steel.

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The cak evolved from a small banjo, but now, the instrument has a wooden front and a guitar shaped body. The body of the musical instrument is often hollowed out of a solid piece of wood. The soundboard of the musical instrument has many tiny sound holes arranged in a geometric style. The musical instrument is primarily used to perform Keroncong music together with the Cuk.