As a composer he has worked on almost all styles of music: music for the theater, for the cinema, music for piano, for guitar, chamber music, music for orchestra, song cycles as well as a lot of songs based on poems by famous Greek poets. In the theater he collaborated with main theatrical companies in Greece and with various amateur troupes that occasionally put on plays in Athens as well as other Greek cities. In the cinema, he wrote the music for six films, some which were awarded in international festivals. His presence in the music industry has always been particularly remarkable. More than 100 songs based on Greek poetry bear his name. Some of his works are included in three LPs and eight CDs. He gave many concerts throughout Greece and his works were repeatedly performed on television and radio broadcasts.
Milonas is the author of eight (8) books: "History of Greek Songs" in four (4) volumes. "Music and the Cinema", "Music in Greek Cinema", "Themes and Portraits" (Kedros publications) and "Landmarks in the History of Greek Music" (Nefeli publications). These editions comprise the first literary work treating these subjects. The importance of his literary contributions has been recognized by television, radio, and press, with the "History of Greek Songs" becoming a national best seller. His books are listed in instructive book index of the Greek universities. He frequently lectures at universities and other institutions on music, cinema, theater, poetry and literature.
Milonas has also appeared on television and radio broadcasts, and he has penned several articles for newspapers and music magazines. For six years he collaborated with the national radio network broadcasting on music affairs. His work, as composer and author, has received numerous awards, including the "Municipality of Athens" award and "Ithaca's Theatrical Festival" music award, and has gotten splendid reviews from the press, radio, and television.
As a pianist and author he has collaborated with the "National Orchestra of Athens", and some of his works are recorded with the participation of outstanding soloists, such as Dimitrios Kotronakis (guitar) and Natalia Michailidou (piano).