Assertion: concerto's section | /r/CapableOf | show off the piano
Facets:
Source sentences:
text: In addition to the preludial and expositional themes, the exposition typically contains various free sections that show off the piano; but, contrary to the popular conception of the piano concerto, and to how it developed in the nineteenth century, these sections are not merely empty displays, but rather, short sections that fit into the overall scheme.