F9b11 Dominant 7th
The F9b11 chord is built from the notes F – A – C – Eb – G – Bb.
Piano sound loads on first tap.
Chord tones, one by one
FRoot
Root
The fundamental note the chord is built on — F.
AThird
Major third
Four semitones — makes the chord major (brighter, happier).
CFifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
EbSeventh
Minor seventh (♭7)
Ten semitones — the dominant/minor seventh. Adds bluesy tension (7, m7).
GExtension
Ninth (9)
A 9th — colorful extension a whole step above the octave.
BbExtension
Eleventh (11)
An 11th — a suspended, airy color on top of the chord.
🎼 Related scales
🎹 Modal analysis
This chord implies the Mixolydian scale; its characteristic note is the minor 7th (♭7).
🎸 Genres
Blues · Rock · Funk · Gospel