Power Chords by Matthias Young is a free guitar lesson that will teach a basic but essential concept for playing guitar. Power chords consist of just two notes: a root note and the fifth interval. Matthias will start by teaching open or first position shapes for power chords and then their inversions. Next, you will learn moveable shapes and their inversions. Matthias will then to teach you how to play a couple of riffs using these new shapes. Power chords are easy enough for a beginner to play but also have been the backbone of many classic rock, punk, and metal songs.