Non-idiophonic interruptive instruments
notation: 412.2
narrower: Whirling aerophones
narrower: Rotating aerophones
definition: The air itself is the vibrator in the primary sense. The vibrating air is not confined by the instrument. The interruptive agent is not a reed.
in scheme: Hornbostel - Sachs
broader: Interruptive free aerophones
type: Concept

Interruptive free aerophones
notation: 412
type: Concept
narrower: Non-idiophonic interruptive instruments

Hornbostel - Sachs
type: ConceptScheme

Whirling aerophones
notation: 412.22
type: Concept
broader: Non-idiophonic interruptive instruments

Rotating aerophones
notation: 412.21
type: Concept
broader: Non-idiophonic interruptive instruments