Assertion: flute's pitch | /r/HasProperty | correct
Facets:
Source sentences:
text: Because each piece of bamboo is unique, shakuhachi cannot be mass-produced, and craftsmen must spend much time finding the correct shape and length of bamboo, curing it for more or less of a decade in a controlled environment and then start shaping the bore for almost a year using Ji 地 paste — many layers of a mixture including tonoko powder (砥の粉) and seshime and finished with urushi lacquer — for each individual flute to achieve correct pitch and tonality over all notes.