Saw Bob in the eighties and vowed I'd never waste my time again. I had heard that he performing very well in the nineties and when a friend called on the day of his '97 show to say that he spare ticket I decided to go. He was brilliant, animated and mostly coherent. His band was rock solid and I had a blast.Saw him again last month and had exactly the same experience.
His performance at the 30th Anniversary show was pretty bad, but I loved how deathly quiet the audience was during his solo acoustic stuff. You could have heard a pin drop in Madison Square Garden.