Describes art where the subject matter of the piece is not clearly identifiable

The energy applied to cause vibration can be in the form of air pressure a stick, bow, or electricity. true or fasle

Which of the following is not included in a three movement classical composition?

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.