I'll tell you one thing, in what I do for a living, there's no substitute for experience. I don't care how much natural talent you may have... In the type of show I do, you can depend on surprises.
I have an iPhone, too, but I use the Blackberry more because I'm addicted to BBM'ing. I'm also on Twitter 24/7 and it's a lot easier on the BlackBerry.
Historically, the notes of scale systems anywhere have been based on these pure harmonics.

