On the creativity vs knowledge debate, Bach and Mozart were both known as incredible improvisers in their day and could go on for hours, I like the analogy to painting, if you painted only with 3 colors your whole life, wouldn't be a shock to see someone painting who used all the colors and knew how to mix paint, I once met a guy who said he could only play in A or C, what if Mozart's dad had been a street sweeper? I don't think full creativity can be unleashed without a good knowledge base, many famous guitarists that are self taught usally wind up bemoaning the lack of knowledge eventually, ignorance is a hard case to argue, except maybe on a guitar forum late at night