The C augmented chord (C+) is a unique and tension-filled chord that transforms the standard major triad by raising the fifth, creating an augmented interval. Comprising the notes C, E, and G♯, it produces a distinctive, bright, and unresolved sound that is often used to add drama and anticipation within a progression. The raised fifth (G♯) introduces a sense of instability, making the C augmented chord an effective tool for leading into subsequent chords or modulating to different keys. Its striking and colorful character makes it popular in classical, jazz, and contemporary music for creating suspense, tension, and harmonic interest.
Name: C augmented chord
Symnonyms:: C augmented triad
Notes: C, E, G♯
Intervals: 1, 3, ♯5
Chord symbol: C+
Alternative symbols: Caug, C(♯5)
Type: Triad (three-note chord)
C augmented chord on the Staff
C augmented chord on Piano
C augmented chord on Guitar
C augmented 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.