The people of God in the Old Testament were the singing church of the old covenant, whose responsorial art was begun with the Song of Moses after the birth of the nation in the exodus from Egypt. 마태복음 28장 19~20절 19.그러므로 너희는 가서 모든 민족을 제자로 삼아 아버지와 아들과 성령의 이름으로 침례를 베풀고