Mozart
William HungPretty nice guy in person.
My answer is Prince, the man was just an amazing artist, pure musical genius and very prolific. I've loved/enjoyed all his musical output and that type of artist is very very very rare to find.
https://m.youtube.com/watch?v=h7UzKiOIxmc&pp=ygUddGhlIHByb2Zlc3Npb25hbCBtb3phcnQgc2NlbmU%3D