C#mmaj7addb13#11 Minor-Major 7th
The C#mmaj7addb13#11 chord is built from the notes C# – E – G# – B# – F## – A.
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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.
B#Seventh
Major seventh
Eleven semitones — a lush, jazzy seventh just below the octave (maj7).
F##Extension
Sharp eleventh (♯11)
A ♯11 — the bright, floating Lydian color.
AExtension
Flat thirteenth (♭13)
A ♭13 — dark altered tension over a dominant chord.
🎼 Related scales
🎹 Modal analysis
This chord implies the Hungarian minor scale; its characteristic note is the ♯4 with the major 7th (gypsy color).
🎸 Genres
Gypsy jazz · Roma music · Klezmer · Classical