Assertion: concerto's cadenza | /r/HasAspect | extant mozart cadenzas
Facets:
Source sentences:
text: The sorts of problems that exist are exemplified by the cadenzas written by the young Beethoven for No. 20 in D minor (which has no extant Mozart cadenzas); Hutchings complains that although they are the best option available, the genius of Beethoven shines through them and, by implication, this makes them a "piece within a piece" that tends to distract from the unity of the movements as a whole.