In the biographies of some archon cantors, published by the Ecumenical Patriarchate together with some recorded extracts (see the official site), their art and career can be studied. "Byzantine Music: Archon Cantors of the Great Church of Christ". Biographies and Recordings of important Psaltes of the Constantinopolitan Patriarchate. Istanbul: Ecumenical Patriarchate. 2004–2009. Retrieved 9 September 2012.
The older titles were identical with those used in Rome, the medieval choir consisted of 12 chanters, among them 4 Kanonarches and 2 Domestikoi (Wolfram 1995, 398). Wolfram, Gerda (1995). "Der byzantinische Chor, wie er sich in den Typika des 10.-12. Jh. darstellt". Cantus planus: Papers read at the 6th meeting, Eger, Hungary, 1993. Budapest: Hungarian Academy of Sciences. pp. 397–402. ISBN9637074546.
