The 6 chord, often called a "major sixth" chord, is a four-note chord comprising a major triad plus an additional interval of a major sixth from the root. It adds a layer of warmth and brightness to the standard major chord, offering a slightly jazzier and sophisticated sound. In practice, a C6 chord includes the notes C, E, G, and A. The added sixth degree (in this example, the note A) enriches the harmony, making this chord particularly popular in jazz, bossa nova, and pop music. On the guitar, it’s typically played using barre chord shapes, or in open positions when possible, taking advantage of the open strings to sustain the distinctive sound. Understanding where to locate the sixth note can help guitarists seamlessly integrate and embellish their progressions with this unique and harmonious chord.