Assertion: concerto | /r/HasProperty | popular
Facets:
value: according to alan walker
type: OTHER
value: as a way
type: MANNER
value: a fact that tchaikovsky found
type: OTHER
value: in the 19th century
type: TEMPORAL
value: especially
type: DEGREE
Source sentences:
text: Most concertos have three sections or movements, and in the 19th century they were especially popular as a way to showcase virtuoso playing by the soloist.
text: According to Alan Walker, the concerto was so popular that Bülow was obliged to repeat the Finale, a fact that Tchaikovsky found astonishing.