September 8, 2025 • From his deep baritone chest to wonderfully fluttering head voice, Michael Mayo joyfully bends notes to his will.

The logo of copper miner Freeport-McMoRan Inc is displayed on their offices in Phoenix, Arizona, U.S. June 30, 2022. REUTERS/Ernest Scheyder/File Photo Freeport-McMoRan said on Tuesday it temporarily ...