Complex sentence: The imperial court gathered the top dancing talent of the country to perform a lavish dance that incorporated elements from dance forms of the peoples of China, Korea, India, Persia, and Central Asia into one colossal dance.
Split into simpler sentences: The imperial court gathered the top dancing talent of the country to perform a lavish dance. This dance incorporated elements from dance forms of the peoples of China, Korea, India, Persia, and Central Asia into one colossal dance.