A story of Arabo-Andalusian music form of which Nuba could be seen as the symphonic form. In the image of a musical tree, its branches are nourished by a sap that, for the past 14 centuries, rose from the fringes of Morocco and currents of Arabia, grew in the courts of the Andalusian Caliphs, grew more robust in medieval Spain, melded with the songs of the troubadours and the Sephardics, then, replanted in the Maghreb, blossomed in Morocco under the name "el Ala". Birth. Apogee, Decline, the three phases of El andalus civilization, left their mark in the eastern muwashshah, Alfonso X’s cantigas of Santa Maria, in the Sephardic songs and the sanâa, the art of the nûba as it still exists around the Mediterranean. Dawn, Evening, Night inspires musicians and poets of the nuba imbued with the light of day, inhabited by human sentiments and temperaments, sustained by a public and artists who, from Tangiers to Tel Aviv, perform it in vibrant communion.