Assertion: program | /r/HasProperty | essential concept
Facets:
Source sentences:
text: Only in the so-called Romantic era, from Beethoven to Richard Strauss, is the program an essential concept, and even there it leaves its mark on much music commonly considered “pure” or “absolute.
text: Program is an essential instrument for helping socially and economically disadvantaged entrepreneurs gain access to the economic mainstream of American society.