SETTING:     A music room CHARACTERS:     LADY, the middle sister     YOUNG MAN 1, the elder brother     YOUNG MAN 2, the younger brother   [The LADY sings a slow, sad, wordless song. Her voice flows from note to note in a vaguely Arabian way. It could be the beginning of an aria or the backing vocals to a trip-hop theme. She does nothing else. She concentrates and sings. Time passes. She cannot see the YOUNG MAN entering the ro...