What is the difference between geometric form and organic form?

Which artist is often considered the leader of the hudson river school and poignantly set up contrast between the cultivated east and the wild west in the united states?

Nstrumental music that supports the main part(s) chamber music 2. a large group of instruments usually including woodwinds, brass, and percussion band 3. music written for small ensembles for an intimate setting accompaniment 4. a person who leads an ensemble conductor 5. an electronic keyboard capable of multiple instrument sounds

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