While it is true that Frank had a great sense of humor, he was also very serious about composing music. In reality there are only a handful of skilled players who can play his most complex pieces. It takes a lot of patience to learn and requires a fantastic memory. – Dweezil Zappa
And, you know, my dad would show me some things sometimes, but the best things that I got to do were to actually see really good players play up close. That gives you an idea of fingering and technique and what not. – Dweezil Zappa