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Chord type

Minor 13th ♭5 Chords on Piano

The minor 13th ♭5 chord is the fullest extension of the half-diminished family, adding the 9th, 11th, and 13th to a m7♭5 foundation. The natural 13th (major 6th) adds a surprising warmth to the otherwise dark chord, making it a favorite ending chord in modal jazz and as a rich ii voicing in minor-key ballads.

Each key below opens the full reference entry — keyboard diagram, audio, inversions, fingerings, and notation.

Formula: Root – Minor 3rd – Diminished 5th – Minor 7th – Major 9th – Perfect 11th – Major 13th

Scale degrees: 1–♭3–♭5–♭7–9–11–13

Sound: Rich, warm-dark, modal jazz, ballad

Symbol: m13♭5 (Cm13♭5)

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All 18 spellings, ♯ and ♭ keys listed separately.

Minor 13th ♭5 Chord in All 18 Keys

C Minor 13th ♭5 ChordNotes: C – E♭ – G♭ – B♭ – D – F – A

C♯ Minor 13th ♭5 ChordNotes: C♯ – E – G – B – D♯ – F♯ – A♯

D♭ Minor 13th ♭5 ChordNotes: D♭ – F♭ – A♭♭ – C♭ – E♭ – G♭ – B♭

D Minor 13th ♭5 ChordNotes: D – F – A♭ – C – E – G – B

D♯ Minor 13th ♭5 ChordNotes: D♯ – F♯ – A – C♯ – E♯ – G♯ – B♯

E♭ Minor 13th ♭5 ChordNotes: E♭ – G♭ – B♭♭ – D♭ – F – A♭ – C

E Minor 13th ♭5 ChordNotes: E – G – B♭ – D – F♯ – A – C♯

F Minor 13th ♭5 ChordNotes: F – A♭ – C♭ – E♭ – G – B♭ – D

F♯ Minor 13th ♭5 ChordNotes: F♯ – A – C – E – G♯ – B – D♯

G♭ Minor 13th ♭5 ChordNotes: G♭ – B♭♭ – D♭♭ – F♭ – A♭ – C♭ – E♭

G Minor 13th ♭5 ChordNotes: G – B♭ – D♭ – F – A – C – E

G♯ Minor 13th ♭5 ChordNotes: G♯ – B – D – F♯ – A♯ – C♯ – E♯

A♭ Minor 13th ♭5 ChordNotes: A♭ – C♭ – E♭♭ – G♭ – B♭ – D♭ – F

A Minor 13th ♭5 ChordNotes: A – C – E♭ – G – B – D – F♯

A♯ Minor 13th ♭5 ChordNotes: A♯ – C♯ – E – G♯ – B♯ – D♯ – F♯♯

B♭ Minor 13th ♭5 ChordNotes: B♭ – D♭ – F♭ – A♭ – C – E♭ – G

B Minor 13th ♭5 ChordNotes: B – D – F – A – C♯ – E – G♯

C♭ Minor 13th ♭5 ChordNotes: C♭ – E♭♭ – G♭♭ – B♭♭ – D♭ – F♭ – A♭