Harilaos Taliadoros was born in Thessaloniki in 1926. He was distinguished for his excellent voice and musical talent from his childhood. His teacher in Byzantine chant was Protopsaltis Christoforos Koutsouradis from Chios. In 1942, at the age of 16, he was appointed the Lambadarios of the church of Agios Therapon by ever-memorable Gennadios, the then Metropolitan of Thessaloniki and at the end of the same year he became the Protopsaltis of the same church. In 1944 he moved to the church of Saint Fanourios and John the Baptist where he stayed until 1952 when he was called to the church of the St. Sophia (a significant cathedral of Thessaloniki) by Metropolitan Panteleimon to succeed Protopsaltis Socrates Papadopoulos. Greatest impact on Taliadoros' formation as psaltis had his acquaintance with Archon Protopsaltis Konstantinos Pringos, whom he first met in 1945. Harilaos Taliadoros currently is still the Protopsaltis of St. Sophia where he has been faithfully serving the Church for well over 50 years. He is a prolific composer and his numerous books provide an excellent source of sometimes traditional and other times personal analyseis of musical theseis found in classical editions of Byzantine chant. Despite his overall traditional style, he has been criticised for having introduced some polyphonic chants in his publications as well as his church repertoire. Worth mentioning are his teaching activities in various music schools in Thessaloniki where he has trained hundreds of students thus contributing to the preservation and dissemination of the authentic Byzantine chant. He has been invited to chant to many feasts in Constantinople, various places in Greece and overseas. He was honoured to have chanted with Protopsaltis Thrasyboulos Stanitsas at various occasions. Among his students one can single out Athanasios Bougiouklis, Angelos Kounas, Christos Chalkias, Theodoros Vasileiou and Metropolitan Hierotheos Vlachos. In recognition of Harilaos Taliadoros' important contributions to the Byzantine chant and his services to the Church, the Ecumenical Patriarch awarded him the offikion of the Archon Protopsaltis of Archdiocese of Constantinople.