The C-sharp dominant seventh sharp ninth chord is a bold and colorful chord consisting of the notes C♯, E♯, G♯, B, and D𝄪. By combining the strong tension of the dominant seventh with the sharp ninth extension, the C-sharp dominant seventh sharp ninth chord produces a strikingly dissonant yet expressive sound. It is frequently used in jazz, blues, and funk to create dramatic tension and convey emotional intensity, adding a sense of edge and complexity to chord progressions. This chord’s unique blend of stability from the major triad and the provocative alterations makes it a powerful tool for creating dynamic and memorable harmonic moments.
Name: C-sharp dominant seventh sharp ninth chord
Symnonyms:: C-sharp dominant sharp ninth chord
Notes: C♯, E♯, G♯, B, D𝄪
Intervals: 1, 3, 5, ♭7, ♯9
Chord symbol: C♯7(♯9)
Alternative symbols: C♯7♯9
Type: Pentad (five-note chord)
C-sharp dominant seventh sharp ninth chord on the Staff
C-sharp dominant seventh sharp ninth chord on Piano
C-sharp dominant seventh sharp ninth chord on Guitar
C-sharp dominant seventh sharp ninth 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.