On his website, conductor and composer Michael Tilson Thomas announced he would “wind down my public appearances” over the next two months.

Celebrated conductor and San Francisco Symphony Music Director Laureate announced he will retire from performing following the return of a brain tumor he’s been battling. In a statement posted to his website,

San Francisco Symphony Conductor Michael Tilson Thomas’ brain tumor has returned, he says, and the 80-year-old intends to lead his final performance in April.