Educated in music from a young age, Rotas was awarded a scholarship to Athens College in 1939, where he studied under Minos Dounias.
He was self-taught in playing the beaked flute and practiced both Western and Greek traditional music.
During the German Occupation of Greece, he attended the Theatrical Workshop, focusing on Byzantine music under Simon Karas.
[1] Rotas pursued further studies in composition and oboe at the Music Academy of Vienna, returning to Greece in 1962 to work as a freelance composer.
His other contributions include original radio broadcast series, an unpublished experimental method for teaching music in primary schools, studies, a television screenplay, articles, and lectures.