How did Vivaldi create contrast in The Four Seasons? adding vocal parts using different themes changing keys frequently adding sound effects

Question: michelangelo made several creative decisions in the process of making the pieta. one of these was to portray mary as a young woman. how would the sculpture be different if mary had appeared to be in her early 50's, as she probably was when christ was crucified? would this improve or detract from the work? why? use additional internet resources in support of

Visual rhythm indicates movement and suggests unity of form by the repetition of elements.

Which term is associated with the loudness of a sound