Short Biography of Georgios Violakis

Georgios Violakis, (c. 1820-1911), Archon Protopsaltis of the Ecumenical Patriarchate, together with two Committees of the Holy and Sacred Synod, were responsible for publishing the Typikon in 1888 that came to bear his name. The detailed "Protheoria of the Typikon" that can be found in the introductory pages of the 1888 edition was compiled by Violakis himself.

Read a short biography of Georgios Violakis from the official website of the Ecumenical Patriarchate www.ec-patr.org

Also of note is a short introduction on the Tradition of Byzantine Music at the Ecumenical Patriarchate by Fr. Seraphim Farasoglou.

The links above are also available in Greek:
Ἄρχοντες Προτοψάλται τοῦ Οἰκουμενικοῦ Πατριαρχείου
Βίος τοῦ Γεωργίου Βιολάκη
Εἰσαγωγή τοῦ π. Σεραφείμ Φαράσογλου

For a simple definition of Protopsaltis in English see the orthdoxwiki.org page on "cantor".