Dbmaj9(#13) Major 7th
The Dbmaj9(#13) chord is built from the notes Db – F – Ab – C – Eb – B.
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Also known as
Dbmaj9(#15)
Chord tones, one by one
DbRoot
Root
The fundamental note the chord is built on — Db.
FThird
Major third
Four semitones — makes the chord major (brighter, happier).
AbFifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
CSeventh
Major seventh
Eleven semitones — a lush, jazzy seventh just below the octave (maj7).
EbExtension
Ninth (9)
A 9th — colorful extension a whole step above the octave.
BExtension
Extension (22 st)
An upper extension 22 semitones above the root.
🎼 Related scales
🎹 Modal analysis
This chord implies the Bebop dominant scale; its characteristic note is the passing natural 7th (bebop).
🎸 Genres
Bebop jazz · Straight-ahead jazz