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. lip-vibrated aerophones
9. [lip-vibrated aerophones with conical bore]
10. [lip-vibrated aerophones with conical bore: natural]

Anotations

Scope note:

Horns, made of plastic though earlier models were metal, used as noisemakers at sporting events especially in South Africa. They may have originated with certain horns used in African villages to summon people for meetings.