ET confirms that ALICIA KEYS will cancel tomorrow night's performance in Cleveland, Ohio, due to a vocal illness.

Keys, who already canceled last night's show in Pittsburgh, PA, due to a bout with swollen vocal cords, is expected to be recovered enough to take the stage for her tour stop this Saturday in Columbus, Ohio. Fans with tickets to the Cleveland show will be able to use them at the Columbus show, a rep for Keys tells ET. Keys is touring the country to support her album platinum album As I Am.