“Riccardo Muti tested positive for COVID-19 on Monday, resulting in the cancellation of one concert with the Chicago Symphony Orchestra,” writes Miriam Di Nunzio in Monday’s (4/4) Chicago Sun-Times. “A statement from the Chicago Symphony Orchestra said the conductor tested positive … during a routine daily COVID screening per CSO safety protocols. As a result, Tuesday night’s concert, the third and final performance with works by Mahler and Bruckner, and the world premiere performances of Missy Mazzoli’s ‘Orpheus Undone’ is canceled…. In addition, Muti will be unable to conduct upcoming concerts scheduled for April 7, 8, 9 and 12 at Symphony Center. However, the full orchestra and pianist Leif Ove Andsnes are expected to perform on these dates, with program changes to be announced…. On Saturday night, Muti attended the annual Symphony Ball and conducted the evening’s concert with the CSO. Guests at the event were required to show proof of vaccination or negative COVID test. All are being notified directly regarding the matter, a spokesperson for the CSO said when reached by phone late Monday. The 80-year-old conductor, who is fully vaccinated and boosted, is quarantining and experiencing mild symptoms. He is ‘in good spirits,’ … Monday’s statement said.”