TANGIER , Morocco — They sang to put their babies to sleep , or in the kitchen preparing Purim cakes . They sang in courtyards at night when the men … TANGIER , Morocco — They sang to put their babies to sleep , or in the kitchen preparing Purim cakes . They sang in courtyards at night when the men were at synagogue for evening prayer, songs of love, loss, religion and war. Today, most of those women, members of Morocco ’s now dwindling Jewish population, are gone. But they have left behind a rich historical trove of northern...