Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Sound Devices (hierarchy name)
5. sound devices (equipment)
6. [sound devices by acoustical characteristics]
7. aerophones
8. flutes (aerophones)
9. flutes without duct
10. vertical flutes

Anotations

Scope note:

Vertical flutes of the Han Chinese, made of a bamboo tube with a notch cut into one end, against the edge of which the player blows. Known since ancient times, they have existed in various forms with differing numbers and arrangements of fingerholes.