Watch the Music Theory Basics online guitar lesson by Richard Gilewitz from Guitar Foundations
Undoubtedly one of the most feared elements of music appears from my teaching experience to be the simple basics of music theory. I have attempted here to simplify years of theory into three simple pages with attention to detail on the absolute basics with which a player should concern themselves.
I once again cannot encourage you enough to memorize the basics of the key signatures mentioned and consider their applications. Some of the best grounding for understanding music lies here.