Assertion: electric organ's keyboard | /r/CapableOf | play prepared song
Facets:
Source sentences:
text: Orchestrion, fairground organ (or band organ in the USA), dutch street organ and Dance organ—these pipe organs use a piano roll player or other mechanical means instead of a keyboard to play a prepared song.
text: —these pipe organs use a piano roll player or other mechanical means instead of a keyboard to play a prepared song.