While the new technique of <answer>polyphony</answer> was developing in the West, the Eastern Orthodox Church resisted any type of change. Therefore, Byzantine music remained monophonic and without any form of instrumental accompaniment. As a result, and despite certain attempts by certain Greek chanters (such as Manouel Gazis, Ioannis Plousiadinos or the Cypriot Ieronimos o Tragoudistis), Byzantine music was deprived of elements of which in the West encouraged an unimpeded development of art. However, this method which kept music away from <answer>polyphony</answer>, along with centuries of continuous culture, enabled monophonic music to develop to the greatest heights of perfection. Byzantium presented the monophonic Byzantine chant; a melodic treasury of inestimable value for its rhythmical variety and expressive power.
The Eastern Orthodox Church resisted what change in music?
polyphony