Cut the Art de l’Islam exhibition poster in thins horizontals strips. On every strips, appear a unique rectangles sequence: a music readable like Morse code. The music score transcribe the poster in sounds. Both in French and in Arabic, the music score is covered with a piece of the banner. The Polyphonie du Moucharabieh was performed at the Institut du Monde Arabe in Paris on June, 10th 2012.