When the Syrian Kurdish sisters Perwin and Norshean Salih sing about loss, it comes from the heart. Aged in their early 20s, they have twice been driven from their family home in the northern Syrian town of Kobane -- once by the Islamic State group, and again by the threat of Turkish bombs. Now they have found a safe haven in northern Iraq's Kurdish region, where they carve out a living by performing the often melancholy music of their people in a restaurant. IMAGES AND SOUNDBITES