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Chord type

6/9 Chords on Piano

The 6/9 chord combines a major triad with both a major sixth and major ninth, creating a lush, spacious voicing that is the ultimate jazz ending chord. It avoids the seventh entirely, sidestepping the major-vs-dominant question for a universally warm tonic sound.

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

Formula: Root – Major 3rd – Perfect 5th – Major 6th – Major 9th

Scale degrees: 1–3–5–6–9

Sound: Lush, spacious, warm, conclusive

Symbol: 6/9 (C6/9)

The jazz ending chord: Nearly every jazz standard can end on a 6/9 chord. By including the 6th and 9th without a 7th, you get warmth and colour without committing to maj7 or dom7. Drop the 5th for a clean four-note voicing: root–third–sixth–ninth.

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All 18 spellings, ♯ and ♭ keys listed separately.

6/9 Chord in All 18 Keys

C Major 6/9 ChordNotes: C – E – G – A – D

C♯ Major 6/9 ChordNotes: C♯ – E♯ – G♯ – A♯ – D♯

D♭ Major 6/9 ChordNotes: D♭ – F – A♭ – B♭ – E♭

D Major 6/9 ChordNotes: D – F♯ – A – B – E

D♯ Major 6/9 ChordNotes: D♯ – F♯♯ – A♯ – B♯ – E♯

E♭ Major 6/9 ChordNotes: E♭ – G – B♭ – C – F

E Major 6/9 ChordNotes: E – G♯ – B – C♯ – F♯

F Major 6/9 ChordNotes: F – A – C – D – G

F♯ Major 6/9 ChordNotes: F♯ – A♯ – C♯ – D♯ – G♯

G♭ Major 6/9 ChordNotes: G♭ – B♭ – D♭ – E♭ – A♭

G Major 6/9 ChordNotes: G – B – D – E – A

G♯ Major 6/9 ChordNotes: G♯ – B♯ – D♯ – E♯ – A♯

A♭ Major 6/9 ChordNotes: A♭ – C – E♭ – F – B♭

A Major 6/9 ChordNotes: A – C♯ – E – F♯ – B

A♯ Major 6/9 ChordNotes: A♯ – C♯♯ – E♯ – F♯♯ – B♯

B♭ Major 6/9 ChordNotes: B♭ – D – F – G – C

B Major 6/9 ChordNotes: B – D♯ – F♯ – G♯ – C♯

C♭ Major 6/9 ChordNotes: C♭ – E♭ – G♭ – A♭ – D♭