Weaving is an apt metaphor for the disparate strands of Oum’s music—North African Gnawa, Hassani, Sufi, jazz, gospel, Afro-beat, R&B, bossa nova and Cuban trova—which converge like winds in a magical desert. The Moroccan singer-songwriter (full name, Oum El Ghait Benessahraoui) grew up in Marrakech but also feels at home in the oasis town of M’hamid el Ghizlane, known for it annual arts festival and the local women who weave