Ok has anyone ever seen the movie Sybil the 1976 version becuase I have a question about it What disorder is revealed during the scene with Peggy in the Harlem hotel room??

The linear perspective changed the quality of art because it gave art a sense of reality. it gave the illusion that the background and surroundings were actually close and/or far and a sense of depth. linear perspective change the quality of art following its birth the renaissance period as they want the art to be more realistic and they believe one way to achieve it is to use the method of linear perspective. it uses the principle of math to realistically portray space and depth in art. 

Concerto grosso was composed during the classical era. (sorry if i misspelt the name)