Who Created the first Mathematical System of perspective in painting?

The adoption of allowed classical music to have much more effective dynamic ranges.

In order for your photographs to be protected by copyright laws, you need to submit a written request. true or false? ?

Which of the following statements is not true? like haydn and many other composers of the classical period, beethoven was most successful financially when in the service of the aristocracy. the finale of beethoven's ninth symphony is based on schiller's poem about human brotherhood, ode to joy. beethoven opened new realms of musical expression that profoundly influenced composers throughout the nineteenth century. in the finale of his ninth symphony, beethoven took the unprecedented step of using a chorus and four solo vocalists.