Go check out these free video lessons to see for yourself — this is a complete free training and includes a free beginner PDF ebook with scales, charts and diagrams. Click here to get it now: http://www.guitarjamz.com/new_requests/
Marty Schwartz teaches you Why You Should (Or Should Not) Learn Music Theory.
This is Key What you need to know: The most important SCALE
Understanding CHORDS and music theory is very important .