French electronic music star Jean Michel Jarre will raise the issue of water shortage and desertification by performing a concert on the sand dunes of the Moroccan Sahara. The pioneering composer, who is a goodwill ambassador for the United Nations Educational, Scientific and Cultural Organization (UNESCO), will stress the importance of managing the world's depleting freshwater sources He said in a statement, "We want this concert to be a wake-up call. We want to make people more aware of just how precious water is and the critical need to look after what we have. "If everybody understood just how little water the earth has, or how many people are going without it - and dying as a result - or how much of it is being wasted, we might be able to find better ways of managing and sharing it." Around 15,000 people are expected to attend the event which will also include performances from the Modern Arab Orchestra of Casablanca, the Morocco Philharmonic Orchestra and a number of other solo artists.