Poor bastard is an elderly cash cow that is being milked to death before the glue farm. His agent probably picks him up from the nursing home before every show and injects him with just enough speed to stay conscious. There are a bunch of clips like this:
observation1 0 points 2 hours ago
Went to bob dylan concert. He played 2 songs. Ended his set in the middle of the 3rd song. Lights came on. Everyone was told to leave.
I was near the front. It looked to me like he crapped his pants as he suddenly looked over and just ended it.
This was 15 years ago.