Milestones Aug. 25, 1997

DIED. NUSRAT FATEH ALI KHAN, 48, mesmerizing singer who brought the mystical music of the Sufis of northern India and Pakistan to a global stage, becoming one of the superstars of world music; after suffering cardiac arrest during a trip to Britain to seek medical treatment for chronic liver and weight problems; in London. For 600 years, Khan's family had been singers in the qawwali tradition, a style that built layer upon layer of increasingly intense music that demanded ferocious vocal control and culminated in whirling peaks of ecstasy. Khan not only revived qawwali's popularity in his native Pakistan but also,...