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. bowl-shaped drums
11. kettledrums

Anotations

Scope note:

Kettledrums of the Western orchestra, consisting of a large bowl-shaped resonating shell, usually of copper, with a drumhead of calfskin or plastic, and some device for tightening or slackening the drumhead so as to tune it to a given note.