It’s important to note that all great musicians have “studied” music. The degree to which that “study” has been formal, or qualifies as training, varies from musician to musician and probably matters little in terms of aesthetic effect. I should note that when I say “musician,” I am including not only the standard definition but also engineers, producers and everyone else who is involved in making aesthetic decisions. What every artistically successful musician has in common is that he or she has immersed him or herself in music and have, in their own way, more...