Tech C.E.O. Pays $400,000 to Conduct the Toronto Symphony

Mandle Cheung, a 78-year-old amateur conductor, led a performance of Mahler’s “Resurrection” Symphony over the objections of some musicians.

​Mandle Cheung, a 78-year-old amateur conductor, led a performance of Mahler’s “Resurrection” Symphony over the objections of some musicians.