I think C. Expressionism. But let me check.
<span>Before Bach the masses were "ill-tempered" and after Bach the masses were "well-tempered", he created a keyboard style that is still used today, and created new chords.</span>
Answer:
Form or plane
Explanation:
The form, or plane, in visual language (a painting, a drawing, a photograph, etc.) is formed by the union of several lines arranged to circumvent an empty space, either two or three-dimensionally. The form delimits and separates a space then internal from an outer space, infinite.