Music Theory and Guitar Tab for Beginners
Author: Ian Bush
If you're keen to improve your music theory knowledge, there's a series of videos on YouTube that describe the basics of music theory. You can find this playlist by clicking here.
If you're keen to just get started, the video below is an introduction to the most popular form of music notation for guitar: guitar tablature. Guitar tablature (or guitar tab) is pretty much a play-by-numbers method of learning guitar. If you can count, you can play!
You can get tab, sheet music, and other resources here