What is a Minor Seventh Chord?

A minor seventh chord is a type of four-note chord built from a root, a minor third, a perfect fifth, and a minor seventh. These notes are stacked in intervals of thirds, creating a chord that has a deeper and more complex sound than a basic minor triad. For example, an A minor seventh chord (Am7) consists of the notes A, C, E, and G.

The defining feature of a minor seventh chord is the combination of the minor third and the minor seventh above the root. This combination gives the chord a smooth, slightly mellow, and somewhat jazzy character. Compared to a simple minor chord, the added seventh note softens the sound and creates a richer harmonic texture.

Minor seventh chords are widely used in jazz, blues, R&B, funk, and many modern pop styles. They often appear in chord progressions that create relaxed or soulful moods. Because of their smooth and expressive sound, minor seventh chords are an important part of modern harmony and are commonly used by musicians and composers.