String Along

By EMILY MITCHELL

The chubby girl with the baby face so impressed the late maestro Herbert von Karajan that he described her talent as a "miracle." Thirteen years after her concert debut with the Berlin Philharmonic, wunderkind ANNE-SOPHIE MUTTER is still wunderbar. At 27 she has matured into one of the world's finest violinists. On a demanding schedule, she has already played her way around the globe this year, traveling with her two prized Stradivarius violins, her bow and her signature strapless designer dresses.