Ιωάννης Κουκουζέλης Παπαδόπουλος

John Koukouzeles Papadopoulos was a Byzantine composer, singer and reformer of Byzantine chant. He was recognized as a saint by the Eastern Orthodox Church after his death. Among the most illustrious musicians of the Palaiologos dynasty, his music remains held in high esteem by Albanians, Bulgarians, Greeks, Macedonians, Romanians and Serbs.