The C major seventh chord (Cmaj7) is a smooth and harmonically rich chord that builds upon the basic C major triad by adding a major seventh interval. Comprising the notes C, E, G, and B, it produces a warm, mellow, and sophisticated sound that is widely used in jazz, pop, and contemporary music. The inclusion of the major seventh (B) adds a sense of depth and elegance, giving the C major seventh chord a distinctive and expressive tonal quality. Its versatile nature allows it to function both as a stable harmonic foundation and as a colorfully nuanced chord within complex progressions, enhancing the emotional and harmonic texture of compositions.
Name: C major seventh chord
Notes: C, E, G, B
Intervals: 1, 3, 5, 7
Chord symbol: Cmaj7
Alternative symbols: CΔ, CΔ7, Cma7, CMA7, CM7
Type: Tetrad (four-note chord)
C major seventh chord on the Staff
C major seventh chord on Piano
C major seventh chord on Guitar
C major seventh chord on Ukulele
Rowan Ellis is a musician and educator with a passion for exploring the language of harmony and melody. With years of experience across classical, jazz, and contemporary styles, Rowan breaks down music theory into clear, practical insights. His goal is to make chords and scales less intimidating and more inspiring for every musician.