Music Theory for Musicians and Normal People
Do you make music and do you like comics? Well then this might be an interesting thing for you.
This creative commons comic was just released explaining the concept and history of music theory.
These pages are available for free under a Creative Commons BY-NC-ND license. In short, you are welcome to copy them, print them, share them and use them; however, you may not alter them, take credit for them, or sell them.You can look at all of the pages on the site or download the comic as a single pdf to read as a book.
via: Music Theory for Musicians and Normal People