The A major thirteenth chord is a richly layered and harmonically sophisticated chord that extends the major triad with the seventh, ninth, eleventh, and thirteenth intervals, creating a sound that is vibrant, full, and expressive. Its notes, A, C♯, E, G♯, B, D, and F♯, combine to produce a chord ideal for jazz, fusion, and contemporary music, offering both melodic richness and harmonic complexity. The extended tones add depth, subtle tension, and color, allowing the chord to function as a versatile and dynamic harmonic tool. The A major thirteenth chord provides musicians with a powerful means to craft intricate, resonant, and emotionally compelling compositions.
Name: A major thirteenth chord
Notes: A, C♯, E, G♯, B, D, F♯
Intervals: 1, 3, 5, 7, 9, 11, 13
Chord symbol: Amaj13
Alternative symbols: AΔ13, Ama13, AMA13, AM13
Type: Heptad (seven-note chord)
A major thirteenth chord on the Staff
A major thirteenth chord on Piano
A major thirteenth chord on Guitar
A 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.