Jersusalem’s classical music lovers honour Emahoy Tsegué-Mariam Guebrù, 90, after a life devoted to God and the piano From a small, spartan room in the courtyard of the Ethiopian church off a narrow street in Jerusalem, a 90-year-old musical genius is emerging into the spotlight. For almost three decades, Emahoy Tsegué-Mariam Guebrù has been closeted