Question: The song "Masterpiece" is by this American singer and songwriter who is  widely cited as an influence by other artists and often referred to as what?
Sentence (from "Masterpiece (Madonna song)"): "Masterpiece" is a song by American singer Madonna for the soundtrack of the 2011 film "W.E." The song was later included on her twelfth studio album "MDNA" (2012).
Relevant evidence: Yes