Who is considered to be the inventor of the "prepared piano"? music appreciation?

Afilm, like any other artwork, can never be totally understood and appreciated through critical analysis, no matter how complete or astute, although such analysis can open up new levels of meaning and appreciation for the sensitive viewer.

What do you think will be the lasting impact that reality tv has on the humanities and how we see ourselves as humans? based on what you learned about the theater (which was not always considered high art) in this week's readings, what may be some future similarities and differences between reality tv and the theater?

Music plz match the musical term on the left with its definition on the right.