For fans of Michael Bolton, the 30-minute band change between Tarrus Riley’s triumphant exit from stage last Saturday night and the start of Bolton set was perhaps the longest half an hour of the concert titled An Evening with Michael Bolton. Finally, after the musicians took their places and all photographers and working media were cleared from the front of the stage and barriers erected, the moment they were waiting for arrived. It was heralded with a drum roll and a voice announcing at 11:51