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:

End-blown flutes of ancient and modern South America, formerly made of bone, clay, gourd, wood, or metal, with up to eight fingerholes. The presentday instruments have five or six equidistant fingerholes and one rear thumbhole.