Steve Coleman held a fascinating session at Penn with members of his band last fall featuring his own music which is highly original but of course rooted in the work of earlier masters. As an example of his insights regarding earlier musics, here is an extensive essay by Coleman discussing a dozen Parker recordings, offering much material for study.
Charlie Parker in an interview with Paul Desmond. Note the bit where Parker says he has been in touch with Varèse! (thanks, Michael Parkinson)