Most sophisticated and intelligent musician

Let's stay with not classical musicians.
It's John McLaughlin for me.
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Keith Jarrett, without a doubt, he's the most intelligent musician that ever lived. Who else on the list can play classical equally as well as jazz? The man's a genius, but he's often moody...but then again reportedly so was Beethoven!
I think Mr Jarrett should be called Dr Jarrett, as he can sure
cure my Insomnia,lol...................