Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Visual and Verbal Communication (hierarchy name)
4. Visual Works (hierarchy name)
5. visual works (works)
6. [visual works by material or technique]
7. time-based works
8. sound art

Anotations

Scope note:

Sculptural works that incorporate sound; used especially in reference to sculptural instruments for performance, such as those created by François and Bernard Baschet, Robert Rutman, Charles Mattox, and Harry Bertoia, among others.