​Basic Music Theory applied to the Guitar.

Chord Symbols and Structures (Part Two). [Beginner Lesson]

Beginner Lesson

What does it mean when you see a chord letter (i.e. "C") and then a bunch of weird symbols following it?

For example if you see this chord in a song: "C7", what does the "7" mean?  Or maybe you see a chord that looks like this: "Am7". Now, there's an "m" and a "7". It's actually very simple. These small letters and numbers indicate chord s…