What is basic sound equipment for a theater

In a paragraph of no less than 125 words, explain the single most important factor involved in advancing american classical music in the twentieth century.

Ais the visual display of an object meant for a computer replication. it is created using complex mathematical formulas, which creates and connects the lines, curves, and surface of the 3d object.

Paragraph about the beethoven's early music career. how did they start out in music, what can you tell about their early compositions, teachers, music experiences, performances, etc.