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Vertical rim-blown flutes of the Middle East, Iran, and Central Asia, originally made of reed, usually having from five to seven fingerholes and one thumbhole. Materials, length, and number of fingerholes vary from one region to another.