Assertion: composer's work | /r/HasProperty | remain
Facets:
value: for many years
type: TEMPORAL
Source sentences:
text: McVeagh makes the point that, because these works of the 1890s were for many years little known (and performances remain rare), the mastery of his first great success, the Enigma Variations, appeared to be a sudden transformation from mediocrity to genius, but in fact his orchestral skills had been building up throughout the decade.