Dbmin7b13 Minor 7th
The Dbmin7b13 chord is built from the notes Db – Fb – Ab – Cb – Bbb.
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Chord tones, one by one
DbRoot
Root
The fundamental note the chord is built on — Db.
FbThird
Minor third
Three semitones — makes the chord minor (darker, sadder).
AbFifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
CbSeventh
Minor seventh (♭7)
Ten semitones — the dominant/minor seventh. Adds bluesy tension (7, m7).
BbbExtension
Flat thirteenth (♭13)
A ♭13 — dark altered tension over a dominant chord.
🎼 Related scales
🎹 Modal analysis
This chord implies the Aeolian (natural minor) scale; its characteristic note is the dark ♭6.
🎸 Genres
Rock · Pop · Cinematic