At the same time, he began to sing in the choir of the Athens Cathedral and then at the church of St. Stylianos of Gizi, and later in St. Filothei Temple as well as in Taxiarchae church (Panagia Grigorousa), In Cyprus Hadjisolomos was a deputy headteacher of middle schools and taught Greek literature and Greek Orthodox doctrine.
In 1971 Hadjisolomos founded the Pancyprian Union of Church Singers, and since then he has been the President and Director of its Byzantine Choir, with multiple events and concerts, both in Cyprus (music halls, theatres, radio, television etc.
), and abroad (England, France, Syria, Israel, United States, Canada, Italy etc.).
In 1985 he received a PhD from the Bulgarian Academy of Sciences, and his doctorate was confirmed by the Department of Music Studies of the National University of Athens.
A special dedication and reference is made on the publication "21st Century, Cyprus, Volume E", issued by The Foundation Of Ecumenical Hellenism (pages 442-445) www.gnl.gr