Open Position Chords
The next chord type to work with is the dominant 7th. These chords are extremely important in defining „key centers“ and, along with the major and minor chords you already learned, they make up the twenty-one open chords that are the backbone of guitar. You will see all of these shapes reappearing further up the neck in the higher positions. Therefore, it is best to become very familiar with these twenty-one shapes in open position so you have a solid foundation in the continuing study of the guitar neck and its intricacies.