Rock musicians with musical education.

I just want to know if anyone surfed through biographies of their favorite rock bands and found out that one or few members of the band have their higher musical degree.

I know a few Irmin Schmidt(CAN) Stockhousen graduate as a conductor. Main instrument is piano. Plays any kind of musical instrument.
Holger Czukay(CAN) Stockhousen graduate. Main instrument is Horn. Also plays mainly on all instruments.

There are the rock bands that I assume that they have such musicians among but I might mistake: ELP, Jethro Tull.

Share what you know.