The saxophone is an imperfect instrument, especially the tenor and soprano, as far as intonation goes. The challenge is to sing on an imperfect instrument that is outside of your body.
At that time, the people that were in the animated film business were mostly guys who were unsuccessful newspaper cartoonists. In other words, their ability to draw living things was practically nil.
The parents have not only to train their children: it is of at least equal importance that they should train themselves.

