By David Mermelstein [WSJ, 14 April 2011]
Even music lovers who do not regularly follow the health bulletins of their favorite artists must know of the conductor Riccardo Muti's travails in Chicago. They started earlier this season, shortly after Mr. Muti became music director of this city's venerable symphony orchestra, when he confronted the first of two medical situations that together forced the cancellation of many of his scheduled appearances.