Assertion: accordion's reed | /r/CapableOf | produce sound
Facets:
Source sentences:
text: The bellows is the “squeezebox” portion of the wind instrument and contain reeds, made of brass or steel, which resonate and produce sound when air is pushed over them.
text: Playing the keys causes valves within the bellows of the accordion to open, thus allowing air to flow across specific reeds that then vibrate and produce sound.