> Fill in the blank. I don't know about you, but I don't fill it in with “music theory”. That's because you aren't a jazz musician. Jazz features lots of compl

> Fill in the blank. I don't know about you, but I don't fill it in with “music theory”. That's because you aren't a jazz musician. Jazz features lots of complex harmonies, and theory is a big part of writing and playing it. Certain subgenres are virtually impossible to perform without a solid theory foundation. You think you can just solo over Giant Steps by feel?