F mi11♭5
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Fm11♭5
F – A♭ – C♭ – E♭ – G – B♭
Formula:R-m3-d5-m7-M9-P11
Intervals:P1-m3-d5-m7-M9-P11
Scale Degrees:1-b3-b5-b7-9-11
Introduction
The F mi11♭5 chord is a six-note chord made up of F, A♭, C♭, E♭, G, and B♭. It is built from a root, minor third, diminished fifth, minor seventh, major ninth, and perfect eleventh.
Notes
Key Signature
The key of F mi11♭5 has 1 flat.
B♭
Order of flats
Flats are added in a fixed order — the reverse of the sharp order. Each new flat key adds the next flat on the list.
B♭E♭A♭D♭G♭C♭F♭
Mnemonic: Battle Ends And Down Goes Charles’ Father
Chords in the Key of F Major
These are the diatonic triads built on each degree of the F major scale:
C
D
E
F
G
A
B
C
D
E
F
G
A
B
I — F Major (major)
Theory: Intervals
Formula: R-m3-d5-m7-M9-P11
Intervals: P1-m3-d5-m7-M9-P11
The F mi11♭5 is built by stacking intervals from the root note. The formula R-m3-d5-m7-M9-P11 describes the scale degrees used. The intervals P1-m3-d5-m7-M9-P11 show the distance between each note in the chord.
F mi11♭5 — Frequently Asked Questions
What notes are in the F mi11♭5 chord?
The F mi11♭5 chord (Fmi11♭5) contains 6 notes: F, Ab, B, Eb, G, Bb. Formula: R-m3-d5-m7-M9-P11.
How is Fmi11♭5 used in music?
Fmi11♭5 is used in jazz, fusion, and contemporary music to add harmonic color. It appears as a dominant or tonic chord depending on context.
What is the scale degree formula for Fmi11♭5?
Fmi11♭5 uses scale degrees 1-b3-b5-b7-9-11, giving it its distinctive sound.
Practice Tips
- Start by placing your thumb on F and spacing remaining fingers across the chord.
- Practice Fmi11♭5 slowly with separate hands before combining.
- Listen carefully to the tension created by the altered tones in this chord.
- Try voicing Fmi11♭5 in different octaves to find the most comfortable position.
- Resolve Fmi11♭5 to a nearby chord to hear its function in context.
Related Tools
Chord FinderLook up any chord — see the notes, hear it, and play along.Chord DrillTimed drills to build speed and recognition across all chord types.Practice RoomPlug in a MIDI keyboard and get real-time feedback on every chord and scale.Circle of FifthsVisualize key relationships, relative minors, and key signatures.MIDI MonitorLive MIDI message stream with note names, velocity, and a scrolling staff.