Db-(maj11#13) Minor-Major 7th
The Db-(maj11#13) chord is built from the notes Db – Fb – Ab – C – Gb – B.
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Chord tones, one by one
Root
The fundamental note the chord is built on — Db.
Minor third
Three semitones — makes the chord minor (darker, sadder).
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
Major seventh
Eleven semitones — a lush, jazzy seventh just below the octave (maj7).
Eleventh (11)
An 11th — a suspended, airy color on top of the chord.
Extension (22 st)
An upper extension 22 semitones above the root.
🎹 Modal analysis
This chord is so rich it doesn't fit a single scale: it's a polychord (an “upper structure”) that stacks tensions from several scales at once. It doesn't work like a dominant that “wants” to resolve — it's pure color: picture one triad floating over an unrelated bass, the kind of sound used in reharmonization and modal passages. To make sense of it, follow the note-by-note breakdown above.
🎸 Genres
Modern jazz · Fusion · Film & TV scoring · Impressionism