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. membranophones
8. drums (membranophones)
9. struck drums
10. hourglass drums
11. hourglass pressure drums

Anotations

Scope note:

Double-headed hourglass pressure drums of the Yoruba people, held under the arm and beaten with a hooked stick. Use also for the sets of Yoruba hourglass pressure drums of which the dundun constitutes the largest member.