message, poetically extended in the language of the heart. World reviews are hesitant about the genre categorization of Irfan’s music, determining it as Neoclassical / World Music / Sacred Music / Ethereal Music / Heavenly voices. Irfan’s music is strongly influenced by the sacred and folk music traditions of Bulgaria, the Balkans, Persia, Caucasus, the Middle East and North Africa, as well as by the musical and spiritual heritage of Byzantium and Medieval Europe, yet it retains its … The first pieces of musique concrète were written by Pierre Schaeffer, who later worked together with Pierre Henry.