Most sophisticated and intelligent musician


Let's stay with not classical musicians.
It's John McLaughlin for me.
inna
As far as intelligent musicians go, it's hard to top Queen's Dr. Brian May, who in October 2007 completed his PhD thesis in astrophysics, entitled "A Survey of Radial Velocities in the Zodiacal Dust Cloud".
But it took him decades to do it. I bet his "radial velocity" is off the scale.