Interruptive Free
Ed
Interruptive Free involves the air-stream being interrupted periodically. This may include:
Rotating aerophones: The air-stream meets a sharp edge, or a sharp edge is moved through the air, for example the bullroarer.
Interruptive Free involves the air-stream being interrupted periodically. This may include:
Rotating aerophones: The air-stream meets a sharp edge, or a sharp edge is moved through the air, for example the bullroarer.