Assertion: concerto | /r/CapableOf | involve one or more solo instruments
Facets:
value: nearly always
type: TEMPORAL
Source sentences:
text: Meanwhile, a concerto is a composition that involves one or more solo instruments and an orchestra.
text: A concerto nearly always involves a solo instrument (or combination of solo instruments) and an ensemble.
text: A concerto is a piece of music that involves one or more solo instruments and an orchestra.