The only way a ventriloquist speaks differently is that he forgoes using his or her lips, and learns to reproduce sounds using the tongue, upper palate, and teeth only. Those 'difficult' letters are B, F, M, P, V, W, and Y. ↗
The aim of the tests carried on with these syllable series was, by means of repeated audible perusal of the separate series, to so impress them that immediately afterward they could voluntarily be reproduced. ↗
Of course the other and more serious way in which it all happens is that one finds in poems and language some quality one appropriates for oneself and wishes to reproduce. ↗
You're basically the sum of all the experiences you've ever had, and they're sort of shaken up in you and reproduced in the things you create, and that includes seeing movies. ↗
I have made it a rule for a long time, not to part with the copyright of my drawings, for I have been so copied, my drawings reproduced and sold for advertisements and done in ways I hate. ↗