The direction of the Festival of Bad Hersfeld commissioned the director Pelos Katselis and the composer Georgios Kasassoglou to stage „Antigone” by Sophokles. Therefore, in the summer of 1962, „Antigone” was performed at that festival in the Fr. Hölderlin translation.
For decades, Georgios Kasassoglou was a member and first secretary of the Organisation of Composers in Athens. His work embraces numerous orchestral pieces, choir pieces, incidental music, ballets, film music, art songs, works for piano, violin and cello, and chamber music.
The more than a hundred art songs on poems by the most renowned Greek poets enjoy a particular position in his work. They have been sung to this day by exceptional Greek artists, for example Elena Nikolaïdou who sung them in America under Dimitris Mitropoulos, and Wasso Papantaniou, Fani Aïdali, Kitsa Damassioti, Kostas Pascalis, to cite but a few, in Europe.
His song „The Tears of The Rain“ on verses by Nikos Stassinopoulos was awarded a gold medal in 1976 at the International Competition „Lutèce“ in Paris. His last work is the „Mélodie pathétique“ for oboe and piano, dedicated to the oboist Evangelos Christopoulos, which he composed in December 1983 and shortly afterwards transcribed for cello and piano and offered to his daughter-in-law Mettilt Kasassoglou.
For years he committed himself tirelessly, with much willpower, courage and conviction, to the introduction of instrumental music in the liturgy of the Greek Orthodox Church.