Bartolomeo di Salvo (1916-1986) was born in Piana degli Albanesi, Sicily. In 1937 he took the vows of a monk and was ordained a priest in 1940. After WW II he entered the Basilean monastery in Grottaferrata, 20 km south of Rome. He engaged in the study of Byzantine music under the direction of p. Lorenzo Tardo. Di Salvo has ... Read morepublished a number of important articles on the medieval Byzantine chant on the basis of his studies in the musical manuscripts kept in the libraries of Grottaferrata and elsewhere. During the 1950s he travelled in Sicily to collect the material which is presented here. Girolamo Garofalo is senior researcher in ethnomusicology at the University of Palermo, Italy. He has specialized in the study of the chant traditions of the Albanian-speaking minorities in Sicily and published a number of books and articles on the subject. Christian Troelsgard is associate professor in Greek and Latin philology at the University of Copenhagen and secretary of the Monumenta Musicae Byzantinae, an international project for the promotion of editions and studies of Byzantine chant. Show Less