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In 1907, the retrospective on the work of 19th century post-impressionist georges seurat influenced the development of cubism in a radical way through his painting titled, “sunday afternoon on the island of la grande jatte.” ? ?

The energy applied to cause vibration can be in the form of air pressure a stick, bow, or electricity. true or fasle

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.