Assertion: accordion's key | /r/HasProperty | depressed
Facets:
Source sentences:
text: A bank that sounds at unison pitch when keys are depressed is called 8′ (pronounced "eight-foot") pitch: alluding to the length of the lowest-sounding organ pipe in that rank, which is approximately eight feet.
text: The bellows are pulled apart or pressed together as keys are depressed, and air is forced through the reeds.
text: The left hand operates the bellows and each change of direction of the bellows will produce a new attack of the notes that are desired by the keys or buttons that are depressed.