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by SAI_Peregrinus 2067 days ago
Great Highland Bagpipes tune to 475-480Hz as our low A. They're also a just-intonation instrument rather than equal tempered, but in a key that seems really weird if you play all 9 notes: it's really 3 pentatonic keys interwoven so the full scale sounds dissonant, but any of the pentatonic scales sounds fine. And there's some weirdness in what scales were chosen so that the melody notes don't cause dissonance with the drones.

http://publish.uwo.ca/~emacphe3/pipes/acoustics/pipescale.ht...