Assertion: harpsichord's keyboard | /r/CapableOf | extend about three-and-a-half octaves
Facets:
value: to a high b.
type: OTHER
value: from low e
type: LOCATION
Source sentences:
text: The fully chromatic keyboard appears to have 44 keys, extending about three-and-a-half octaves from low E to a high B. (see illustration)