He has written approximately 220 works including 3 symphonies and 5 operas.
His 5 operas are:
- O Protomastoras (The Masterbuilder) (1912)
- Mother’s Ring (1917)
- Shadowy Waters (1948)
- Dawn (1952)
- Konstandinos Palaiologos (1962)
He founded and directed the Hellenic Conservatory and later the National Conservatory (not the Athens Conservatory, which is a distinct institution).
He was elected a member of the Academy of Athens.
(contribution by Hari Politopoulos <bestharihotmail.com>)
He has been director of the Athens Conservatory for many years. Following the example of the national Russian musical school, he tried to form a Greek musical school, using tradional rythms and tempos.