What is a chord on of blues music?

A chord in Blues Music typically refers to a specific grouping of notes played together, often following a 12-bar blues structure. The most common chords used are the I, IV, and V chords, which correspond to the first, fourth, and fifth degrees of the scale. For example, in the key of E, these would be E (I), A (IV), and B (V). Blues music often incorporates seventh chords, adding a distinctive sound that enhances its expressive and emotional qualities.