Which principle of design creates a sense of harmony within artwork? symmetry contrast balance unity

A“still” is the name that differentiates a photograpgh or single motion picture frame from a motion picture.

The opening section sounds marchlike, with accented beats and alternations between instrumental groups. eventually, a total change of character marks a short, new section. at approximately which time interval from the beginning does this appear?

The invention of made it possibe for impressionist artist to leave their studioand paint outdoors