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. chordophones
8. lutelike chordophones
9. lutelike chordophones: bowed
10. fiddles
11. viols

Anotations

Scope note:

Viols of bass range, similar to the bass viol but with ten or more additional wire strings that pass close to the belly and under the neck, which sound sympathetically and may also be plucked by the left thumb.