The medieval composer who wrote a theory paper on the importance of new rhythms was Philippe de Vitry. Philippe de Vitry was a music theorist, poet and composer who studied at the Sorbonne. He was also bishop of Meaux and a diplomat and adviser to Charles IV, Philip VI and John II. He is now mostly remembered for his treatise of music <em>Ars Nova</em>.
Answer: They are color, form, line, shape, space, texture, and value. The ten common principles of art are balance, emphasis, harmony, movement, pattern, proportion, repetition, rhythm, unity, and variety.
