Racyk That Wild, Thin Mercury Sound: Ontology”

Answer these three, related questions about Gracykas a?That Wild, Thin Mercury Sound: Ontology.a? For each part, explain the reasons for the positions you take.
(a) What is a work of rock, according to Gracyk?
(b) Why does he take this position about the ontology of rock?
(c) What does this imply for the forgery of rock and other types of music?