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. tubular drums
11. [tubular drums double head]

Anotations

Scope note:

Large cylindrical drums, usually double-headed, with a rather shallow body, the diameter always being greater than the length. When played, each head faces sideways and is struck close to the rim with a padded stick.