Answer:
Roman music was less concerned with the ratios of melody and harmony than the Greeks were. In fact, most Roman music has been said to be far less creative or complex when compared to Greek, often utilizing only a single instrument playing a melody, without any harmony.
Explanation:
Pop Art uses iconic people or cultural symbols which can be identified as exactly what they are. Abstract Expressionism is not identifiable as a specific things or object, because it is supposed to communicate feelings. Pop Art usually sends a specific message, whereas Abstract Expressionism is art that is up to interpretation.
A unique shape,colour,needs a background,texture thats all i rember from art class