What is this key ditty? Until our instruments advance, we're sort of stuck. Music is moving forward. But, soon you'll need a PHD, or PHD's. We'll PHD ourselves out of a living. Oh, the arguments. You're just a schmuck playing guitar, and have no idea how you're being screwed. Why are advertisers using old material. Because new material is horrid (and think for a moment that is not planned) , or advertisers have there own POV or just lazy, or you just screw yourself out of a job? This world is very competitive. It shouldn't mean, you can't get heard, and, if of merit. Is that bucks, or art. The greatest problem in life, is really, understanding a very good con.