Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Components (hierarchy name)
4. components (objects parts)
5. [components by specific context]
6. sound device components
7. chordophone components

Anotations

Scope note:

Use to denote collectively the bars or strips of wood glued under the soundboard of many string instruments such as the lute, guitar, harpsichord, and piano, which are crucial to the tone of the instrument.