Ask singer-songwriter ALEPH where he writes his songs. He will not point you toward a studio. He will point you toward his bed. "This is my office and my home," the singer-songwriter said, sitting in the apartment that doubles as both, during an exclusive interview with The Korea Times in Seoul's Mapo District, Friday. A producer's studio sits nearby for arrangement and mixing, but the songs themselves are born here, in the same room where he sl…