Here are links to some very interesting videos of contemporary American composers discussing music education along with performances of a few of their pieces. Joseph Schwantner explains what he owes to the teacher who taught him as a child, while Joan Tower describes the gap between composer and classical performer that has been formed by misguided educational practices and proposes some practical solutions to this widespread problem.
Joseph Schwantner’s musical education
Schwantner: Black Anemones
Joan Tower discusses issues in composition:
(mentions education at 1:19)
Joan Tower: Fanfare for the Uncommon Woman