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What role do drones play in bagpipe music?

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shakuhachi (end-blown flute) — wind instrument The Japanese end-blown flute, or *shakuhachi*.

In bagpipe music, drones serve as a sonorous foundation, providing a sustained, low-pitched accompaniment to the melody played on the chanter.12

These pipes, which are held in wooden sockets called stocks, sound single notes that are tuned against the chanter using extendable joints. While the chanter is used to play the melody, the drones provide a continuous background tone that contributes to the instrument's characteristic sound. Depending on the specific type of bagpipe, the configuration of these pipes varies; for example, the Scottish Highland bagpipe typically features two tenor drones and one bass drone, which are tuned an octave apart.21

Because the sound produced by the bagpipe is continuous, the drone maintains this steady harmonic base throughout the performance, while the piper uses techniques like gracing to articulate the melody and create the effect of detached notes.2