rhythmicity rhythmicity

%EB%84%88%EB%9E%80%20%EC%82%AC%EB%9E%8C%20%EC%9A%B0%EA%B7%9C%ED%98%95%EC%9D%B4%20%EA%B0%95%ED%98%9C%EC%A0%95%EC%9D%B4%EB%9E%91%20%EC%82%AC%EA%B7%84%EB%8C%80%EB%8F%84%20%EB%AF%BF%EC%9D%84%20%EC%82%AC%EB%9E%8C