John Weeks Moore

“ This author had either some well-founded tradition, or some fragment of the Greek music, or else, by means of his studies, and of his labor and genius, he formed three hexachords into a system, which includes in sub-stance the true principle of the Greek music, and that of all ages, for there can be but one. ”

“ Aretina, Guido, a native of Arezza, in Tuscany, celebrated for his improvements in music, flourished in the eleventh century. He became a monk of the order of St. Benedict, in Pomposa, near Ravenna, and was afterwards made abbot of the convent of the Holy Cross, at Avellano, in the neighborhood of his native city. His new mode of musical notation was suggested to him during the performance of the hymn to St. ”