Originally Posted by RyanC
I'd rather take lessons from a little old church lady on organ or a haggard blues man. At this point classical pedagogy only begets more classical pedagogy, IMO.
Or maybe in your case you have students making relevant modern records?
And old organ-playing church ladies (presumably playing gospel, rather than Bach or Langlais from the context of the rest of your remarks) and haggard old blues men do not simply beget more musicians in their own image?
It has been my experience that blues purists are (often) just about the most conservative musicians on the planet. (Again, that's an observation, not a criticism.) I've come across some who even look down their nose at bebop and funk as "whippersnappers' music." There are certainly exceptions, of course, but that's the general vibe I've gotten. Many classical musicians, on the other hand, are surprisingly open-minded, especially the younger ones.
A hip-hop person who wants to learn music theory and acquire some keyboard skills would, in my opinion, probably be best served by learning jazz. Good jazz musicians with taste and open ears have all the tools necessary to play funk, soul, and blues. Most of the better jazz musicians do end up studying classical music at some point in order to further develop their technique and expand their harmonic vocabulary. The basic terminology jazz musicians used is ultimately derived from classical theory and at the beginning stages, you're not learning jazz or classical, you're just learning music.
I've taught classical theory to hip-hop musicians before. There's usually a steep learning curve, and it will take some time before you would get to material that is immediately directly applicable to your musical interests. It definitely pays off in the end, however.