Assertion: keyboard instrument | /r/HasProperty | hammond organ
Facets:
Source sentences:
text: A typical rhythm section comprises one or more guitars (either electric guitars, in rock music bands; acoustic guitars, in country music, folk music and blues or both electric and acoustic in some bands); and/or a keyboard instrument (piano, electric piano, Hammond organ, synthesizer, etc.) a double bass or electric bass (depending on the style of music), and drums (usually acoustic, but in some post-1980s styles, the drums may be electronic drums).