Piano chord · also written D♭m(add9)

C♯ Minor Add9 Piano Chord (C♯m(add9))

The C♯ Minor Add9 chord on piano is made of the notes C♯, E, G♯ and D♯. Haunting and beautiful. A minor triad with an added 9th.

C♯ Minor Add9 chord on a piano keyboard: C♯, E, G♯, D♯ C4C5 C♯ E G♯ D♯

C♯m(add9) C♯ – E – G♯ – D♯

Tap any key to hear it.

Name any chord from its keys in the chord finder →

What notes are in C♯ Minor Add9?

4 notes, built 1 – ♭3 – 5 – 9 up from C♯.

Notes
C♯ – E – G♯ – D♯
Formula
1 – ♭3 – 5 – 9
Semitones from the root
0 – 3 – 7 – 14
Symbol
C♯m(add9)
Same keys as
D♭m(add9) (D♭ – F♭ – A♭ – E♭)
Chord type
Minor Add 9, 4 notes

How to play C♯ Minor Add9 on piano

C♯ Minor Add9 spans more than an octave, so it is usually split between the hands.

  • Left hand: C♯ and G♯ (fingers 5 and 1).
  • Right hand: E, D♯ (fingers 1 and 5).
Advertisement

C♯ Minor Add9 inversions

Each inversion puts a different note of the chord in the bass. Written as a slash chord: C♯m(add9)/E, C♯m(add9)/G♯.

C♯ Minor Add9 root position on piano: C♯, E, G♯, D♯ C♯ E G♯ D♯
Root position C♯m(add9) C♯ – E – G♯ – D♯
C♯ Minor Add9 1st inversion on piano: E, G♯, C♯, D♯ E G♯ C♯ D♯
1st inversion C♯m(add9)/E E – G♯ – C♯ – D♯ RH 1 – 2 – 3 – 5 · LH 5 – 3 – 2 – 1
C♯ Minor Add9 2nd inversion on piano: G♯, C♯, D♯, E G♯ C♯ D♯ E
2nd inversion C♯m(add9)/G♯ G♯ – C♯ – D♯ – E RH 1 – 2 – 3 – 5 · LH 5 – 3 – 2 – 1

Progressions with C♯ Minor Add9

Press play: the chords move across the keyboard as they sound, voiced so your hand barely moves.

Sad pop progression

in E major

  1. vi(add9) C♯m(add9)
  2. IV A
  3. I E
  4. V B
Sad pop progression in E major: C♯m(add9), A, E, B C♯ D♯ E G♯

ii–V–I

in B major

  1. ii(add9) C♯m(add9)
  2. V7 F♯7
  3. Imaj7 Bmaj7
ii–V–I in B major: C♯m(add9), F♯7, Bmaj7 C♯ D♯ E G♯

Can you find C♯ Minor Add9?

Tap the notes on the keyboard, then check. Six chords, starting with this one.

1 / 6 Tap the notes of C♯ Minor Add9 (C♯m(add9))

Score 0

Any octave, any order. Each key you tap plays.

Practice keyboard: tap the notes of the chord

What key is C♯ Minor Add9 in?

The keys whose scale contains every note of C♯m(add9), with the chord’s Roman numeral in each.

Major keys

  • B majorii(add9)
  • A majoriii(add9)
  • E majorvi(add9)

Minor keys

  • C♯ minori(add9)
  • G♯ minoriv(add9)
  • F♯ minorv(add9)

C♯ Minor Add9 chord FAQ

What notes are in the C♯ Minor Add9 chord?

C♯ Minor Add9 (C♯m(add9)) has 4 notes: C♯, E, G♯ and D♯. Its formula is 1 – ♭3 – 5 – 9, counted up from C♯.

How do you play C♯ Minor Add9 on the piano?

Spread it over two hands: the left hand plays C♯ and G♯ (fingers 5 and 1), the right hand plays E, D♯ (fingers 1 and 5).

Is C♯ Minor Add9 the same as D♭ Minor Add9?

On the piano, yes: D♭m(add9) (D♭, F♭, A♭, E♭) uses exactly the same keys as C♯m(add9) (C♯, E, G♯, D♯). Which name is used depends on the key of the piece; C♯m(add9) is the more common spelling.

What are the inversions of C♯ Minor Add9?

1st inversion: E, G♯, C♯, D♯ (C♯m(add9)/E). 2nd inversion: G♯, C♯, D♯, E (C♯m(add9)/G♯).

What key is C♯ Minor Add9 in?

C♯m(add9) belongs to B major (ii(add9)), A major (iii(add9)), E major (vi(add9)), C♯ minor (i(add9)), G♯ minor (iv(add9)) and F♯ minor (v(add9)).

Other C♯ chords

Minor Add 9 chords on every root

Piano chord chart: all 264 chords Open C♯m(add9) in the chord finder Free PDF chord chart Play it on the virtual piano