Assertion: electric organ's keyboard | /r/CapableOf | play high-frequency sound
Facets:
value: for the high-register notes
type: PURPOSE
Source sentences:
text: Keyboard amplifiers are distinct from other types of amplification systems such as guitar amplifiers due to the particular challenges associated with making keyboards sound louder on stage; namely, to provide solid low-frequency sound reproduction for the deep basslines which keyboards can play and crisp high-frequency sound for the high-register notes.