Assertion: libretto | /r/HasProperty | the book of the work
Facets:
value: often
type: TEMPORAL
Source sentences:
text: In the context of a modern English language musical theatre piece, the libretto is often referred to as the book of the work, though this usage typically excludes sung lyrics.
text: In the context of a modern English-language musical theater piece, the libretto is often referred to as the book of the work, though this usage typically excludes sung lyrics.