Quick Answer & Harmonic Definition

To play the G# Minor 9th chord on piano, press the keys G#, B, D#, F#, A# simultaneously. In root position, G# is the lowest note. First inversion places B in the bass; second inversion uses D# as the lowest note.

Piano Chord

G#m9 Piano Chord

Minor 7th chord with an added 9th. Rich texture used in neo-soul and R&B. Learn the G# Minor 9th chord on piano with interactive keyboard, inversions, and audio playback.

Notes
G# – B – D# – F# – A#
Intervals
0 – 3 – 7 – 10 – 14
Type
extended chord
G# B D# F# A#
E
A
D
G
B
e
3
5
7
9
12
5 notes · Standard (E A D G B E)

Playing the G#m9 Piano Chord

The G#m9 chord is a minor 9th chord built on the root G#. It contains 5 notes: G#, B, D#, F#, A#. On piano, this chord is played by pressing these keys simultaneously or as an arpeggio.

Minor 7th chord with an added 9th. Rich texture used in neo-soul and R&B. Mastering the G#m9 chord opens up countless songs and progressions in the key of G#.

Piano Finger Positions for G#m9

For the G#m9 extended chord, use these finger positions:

  • Right hand (root position): Thumb (1) on G#, middle finger (3) on B, pinky (5) on D#.
  • Left hand (root position): Pinky (5) on G#, middle finger (3) on B, thumb (1) on D#.
  • Arpeggiated: Play the notes sequentially from lowest to highest for a broken extended effect.

G#m9 Chord Inversions

Inversions change the bass note while keeping the same harmonic quality:

Inversion Bass Note Notes (bottom to top) Sound
Root G# G# – B – D# – F# – A# Most stable
1st B B – D# – F# – A# – G# Lighter, less stable
2nd D# D# – F# – G# – B Open, airy

Interval Structure of G#m9

Degree Interval Semitones Note in G#
Root Root (R) 0 G#
3rd Minor 3rd 3 B
5th Perfect 5th 7 D#
7th Minor 7th 10 F#
9th Major 9th 14 A#

Common Progressions with G#m9 on Piano

  • I–IV–V–I: G#m9 – C#m9 – D#m9 – G#m9 (classic cadence)
  • I–V–vi–IV: G#m9 – D# – Fm – C# (pop progression)
  • ii–V–I: A#m – D# – G#m9 (jazz turnaround)

Other G# Piano Chords

G#
Major
G#m
Minor
G#7
Dominant 7th
G#maj7
Major 7th
G#m7
Minor 7th
G#dim
Diminished

9e Mineure Chord in All 12 Keys

Cm9 C#m9 Dm9 D#m9 Em9 Fm9 F#m9 Gm9 G#m9 Am9 A#m9 Bm9
Virtual Piano
Interactive keyboard
G#m9 Guitar
Guitar chord shapes
G# Scale
Notes that fit this chord
Songs
Find songs using G#m9

Knowledge Base & FAQs

G#m9 Piano Chord — FAQ

Everything you need to know about our browser-based Web Audio engine, instruments, and music theory workspace.

How do I play the G#m9 chord on piano?

To play the G# Minor 9th chord on piano, press the keys G#, B, D#, F#, A# simultaneously.

In root position, G# is the lowest note. First inversion places B in the bass; second inversion uses D# as the lowest note.

What are the notes in the G#m9 piano chord?

The G# Minor 9th piano chord contains 5 notes: G#, B, D#, F#, A#.

These are derived from the minor 9th interval formula applied to the root note G#.

What is the best fingering for G#m9 on piano?

For the G#m9 extended in root position, use fingers 1 (thumb), 3, and 5 for a triad, or 1, 2, 3, and 5 for a extended chord.

Inversions may use 1, 2, 4 (first inversion) or 1, 3, 5 (second inversion).

What does the G#m9 chord sound like?

The G#m9 chord has a minor 7th chord with an added 9th.

rich texture used in neo-soul and r&b. It provides rich harmonic tension and expressive color within songwriting and jazz arrangements.

What keys does the G#m9 chord belong to?

G#m9 appears frequently across modal, jazz, blues, and contemporary progressions as an essential tension or resolution voicing.

What are the inversions of G#m9 on piano?

G#m9 has 3 inversions.

Root position: G#–B–D#–F#. First inversion: B–D#–F#–G#. Second inversion: D#–F#–G#–B.

What chords go well with G#m9 on piano?

In the key of G# major, G#m9 pairs naturally with C# major (IV chord), D# major (V chord), and Fm (vi chord).

The I–IV–V–I progression is a classic way to practice these.

Is G#m9 a good chord for beginners on piano?

G#m9 has 5 notes, which may be challenging for beginners.

Start with the basic triad (root, third, fifth) before adding the full extended extension.

How do I use G#m9 in a chord progression?

G#m9 functions as the tonic (I) in G# major.

A classic progression is I–IV–V–I: G#m9–C#–D#–G#m9. Practice this in both hands separately before combining.

What is the difference between G# major and G# minor on piano?

The G# major chord (G#–C–D#) uses a major third (4 semitones from root) for a bright sound.

The G#m chord uses a minor third (3 semitones) for a darker, more emotional sound.