C#-6(add#9) Minor Sixth
The C#-6(add#9) chord is built from the notes C# – E – G# – A# – D##.
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Chord tones, one by one
C#Root
Root
The fundamental note the chord is built on — C#.
EThird
Minor third
Three semitones — makes the chord minor (darker, sadder).
G#Fifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
A#Sixth
Major sixth
Nine semitones — a major 6th. Adds a sweet, nostalgic color without the seventh's tension (6, m6).
D##Extension
Sharp ninth (♯9)
A ♯9 — the gritty 'Hendrix' tension over a dominant chord.
🎼 Related scales
🎹 Modal analysis
This chord implies the Dorian scale; its characteristic note is the major 6th (13).
🎸 Genres
Modal jazz · Funk · Soul · Rock