Michalis Economou, Chief Conductor of the Symphony Orchestra of the City of Athens and Chairman and Artistic Director of the Department of Music at the National Technical University of Athens, is conducting the Qatar Philharmonic Orchestra, on 22 January 2011, at Doha Cultural Village Opera House. Joining the orchestra will be Greek clarinettist Dionysis Grammenos who will perform Debussy's Rhapsody no.1 and Theodorakis' Adagio for clarinet, strings and percussion. The programme will include Mitropoulos' Burial, Economou's Di-ichon for orchestra and percussion and Elgar's Enigma Variations.

Economou has collaborated with the Athens and Thessaloniki State Orchestras, the Kamerata Orchestra of the Athens Concert Hall (Megaron of Music), the Symphony Orchestra of the City of Thessaloniki, the Greek Radio Symphony Orchestra, the Orchestra of Colours, the Greek Radio Orchestra for Contemporary music, the Thailand Philharmonic Orchestra, the Festival Orchestra di Sofia, ALEA III contemporary ensemble,the Boston University Symphony Orchestra, among others. He studied at Athens and Boston Universities (Master's degree in conducting and PhD in composition, and is the winner of the Dimitris Mitropoulos International Composition Competition, while he has been commissioned to compose for the Carnegie Hall and the Athens Concert Hall.

Grammenos won the Eurovision Young Musicians Prize Award, in 2008 in Vienna, and since then he has appeared with prestigious Orchestras and Ensembles, such as the Wiener Symphoniker, Wiener Kammerorkester, Norwegian Radio Orchestra, Polnische Kammerphilharmonie, State Orchestras of Greece, Berlin Philharmonia Quartet, Swedish Wind Ensemble, and at renown festivals and concert halls, such as the Rheingau Musik Festival, Nafplion and Athens Festivals, Wiener Konzerthaus, Auditorium du Louvre, Auditorio Nacional de Musica de Madrid, Minato Mirai Hall, Royal Academy of Arts in London, Athens Concert Hall.