The following figure shows 24 common, easy-to-play guitar chords that you can use in many different songs in a variety of styles — including folk, country, rock, and blues. Left-hand fingerings appear immediately below the strings (1 = index, 2 = middle, 3 = ring, and 4 = little). An O above a string means to play the open string as part of the chord; an X above a string indicates it isn’t part of the chord and shouldn’t be played. A curved line means to play the dots (fretted notes) below the line with a barre.