His snowy white hair in vivid contrast against his dark suit jacket, Michael McDonald sat down behind his keyboard like a man dressed for dinner with his wife.
Just one song into Sunday night’s concert, though, the veteran singer with the big, soulful voice took off his jacket and dropped it to the floor in a crumpled heap. Midway through the next tune, he removed his eyeglasses, sliding them into the breast pocket of his blue button-down shirt. By the middle of his third song, parts of the shirt were turning dark with sweat.
McDonald, it was clear, had come to Walt Disney Concert Hall to work.
He probably could’ve taken it easier. The last few years have...