4 ms·
Those use pipes which use a recorder- or whistle-like structure which sets up oscillating air pressure in the pipes. The harmonium uses reeds as the primary os
by bewaretheirs 4y ago
Those use pipes which use a recorder- or whistle-like structure which sets up oscillating air pressure in the pipes.
The harmonium uses reeds as the primary oscillator.
It's like the difference between a recorder and a clarinet.