I learned guitar wrong. I'm still working on correcting bad habits a decade later. Over the years, one of the best explanations on "economy of motion" I've ever seen is this DVD -- which was a battered VHS tape when I first encountered it.
It's hard to appreciate the full meaning of classical training until you see what Kanengiser outlines here. What he's demonstrating is the collective knowledge of several generations of conservatory playing. This is a centuries old guild system of international competition and exchange being transmitted to you via the miracle of technology.
Both neo-classical and Hindustani slide are proof that this kind of precision training pays off...and pays off far beyond the realm of Bach recitals. No matter where you want to take you playing, the fundamentals that get explained here are The Rules you need to learn in order to break.
