(Lick Library). Over the course of this DVD, you will learn some essential rhythm guitar techniques such as simple chords, barre chords and power chords that can be used in any style of guitar playing from jazz to metal. It covers essential basic rhythm guitar skills including: tuning the guitar * what different parts of the guitar do * basic picking techniques * how to play simple chords * how to play simple riffs * triads and strumming * power chords * barre chords * dominant 7th chords.