It all begins with acknowledging that we have some very profound challenges, and that we don't have easy answers at hand, things that we know will solve the problems. If people embrace those two facts, then the next steps are a little easier to fall into place.
Teach music and singing at school in such a way that it is not a torture but a joy for the pupil; instill a thirst for finer music in him, a thirst which will last for a lifetime.