I strongly suspect, Fergie, that there are other and better ways to raise funds than a CD. The choir at my church, which is a very fine one, has made a couple of CD's of its Christmas concerts, and the CD's have barely paid for themselves.

Getting the CD made is the first challenge. (And that includes the very great challenge for you of teaching all that music to the children.) Then comes of the challenge of getting it sold. How many people are really going to buy it?

IMHO, this idea is along the lines of "Let's you and him fight." i.e., "Let's the music teacher do a lot of work."