Concertina makers have been trained - the number of makers has maybe tripled from 30 years ago. You could still probably count the number of makers of quality instruments worldwide on the fingers of two hands. They're complicated instruments requiring a great deal of skill and craftsmanship, and you cannot easily train up new makers, even if the economics allowed them to be paid a reasonable wage while learning. In the meantime, demand has shot up so that concertinas now fetch ludicrously high prices. As Don has pointed out, and high school economics teaches, demand INCREASES prices, which only fall again if supply can also increase to match it. For some products, such as concertinas, increasing supply is difficult.

The music industry spends a fortune advertising and promoting new music and new performers. They know their market. If they thought there was a widespread demand for folk music, or that they could create one, don't you think they would have done so?

Oh and those guys on Madison Avenue will want paying, and they'll want to be paid a lot. How do you reconcile that with your "free" concept?