The 64th Grammy Awards will occur on Sunday, April 3 in Las Vegas. Here are the categories, nominees, and eventually, winners, for the classical, jazz, and world music fields.

The 77-year-old had surgery last August for the tumor. He has conducted 20 concerts since then with the New York Philharmonic, the Los Angeles Philharmonic, and the San Francisco Symphony.

The 76-year-old conductor had surgery at the University of California, San Francisco Medical Center, and that the operation was successful.

The CSO announces an array of concerts from September to January.

The CSO’s 130th season begins on September 17 with a free concert for Chicago at the Jay Pritzker Pavilion in Millennium Park.