Assertion: concerto | /r/HasProperty | worthless
Facets:
Source sentences:
text: It turned out that my concerto was worthless and unplayable; passages were so fragmented, so clumsy, so badly written that they were beyond rescue; the work itself was bad, vulgar; in places I had stolen from other composers; only two or three pages were worth preserving; the rest must be thrown away or completely rewritten.