The C major thirteenth chord (Cmaj13) is an extended and harmonically rich chord that builds upon the C major seventh by adding the ninth (D), eleventh (F), and thirteenth (A) intervals. Comprising the notes C, E, G, B, D, F, and A, it creates a lush, full-bodied sound that is often used in jazz, fusion, and contemporary music to add sophistication and depth to chord progressions. The inclusion of these extended intervals enhances the expressive and melodic qualities of the C major thirteenth chord, allowing musicians to craft intricate harmonies and rich textures. Its versatility and elegance make it an essential chord for creating dynamic, colorful, and emotionally resonant musical passages.
Name: C major thirteenth chord
Notes: C, E, G, B, D, F, A
Intervals: 1, 3, 5, 7, 9, 11, 13
Chord symbol: Cmaj13
Alternative symbols: CΔ13, Cma13, CMA13, CM13
Type: Heptad (seven-note chord)
C major thirteenth chord on the Staff
C major thirteenth chord on Piano
C major thirteenth chord on Guitar
C major thirteenth 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.