Sometimes you can be over rehearsed. You know the material too well. Sometimes you just have to embrace the panic of not knowing what you are going to play, to just go with it.
The late Henry McCullough could testify to that. He had enjoyed a stellar career, jamming with Jimi Hendrix, working his magic in the Grease Band, playing in Spooky Tooth and alongside Denny Laine as Paul McCartney’s six-string lieutenant in Wings.