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in D♭ major
Piano chord · also written C♯maj9
D♭ Major 9th Piano Chord (D♭maj9)
The D♭ Major 9th chord on piano is made of the notes D♭, F, A♭, C and E♭. Lush and sophisticated. A major 7th with an added 9th.
Tap any key to hear it.
What notes are in D♭ Major 9th?
5 notes, built 1 – 3 – 5 – 7 – 9 up from D♭.
- Notes
- D♭ – F – A♭ – C – E♭
- Formula
- 1 – 3 – 5 – 7 – 9
- Semitones from the root
- 0 – 4 – 7 – 11 – 14
- Symbol
- D♭maj9
- Same keys as
- C♯maj9 (C♯ – E♯ – G♯ – B♯ – D♯)
- Chord type
- Major 9th, 5 notes
How to play D♭ Major 9th on piano
D♭ Major 9th spans more than an octave, so it is usually split between the hands.
- Left hand: D♭ and A♭ (fingers 5 and 1).
- Right hand: F, C, E♭ (fingers 1, 3 and 5).
D♭ Major 9th inversions
Each inversion puts a different note of the chord in the bass. Written as a slash chord: D♭maj9/F, D♭maj9/A♭, D♭maj9/C.
Can you find D♭ Major 9th?
Tap the notes on the keyboard, then check. Six chords, starting with this one.
1 / 6 Tap the notes of D♭ Major 9th (D♭maj9)
Score 0
Any octave, any order. Each key you tap plays.
What key is D♭ Major 9th in?
The keys whose scale contains every note of D♭maj9, with the chord’s Roman numeral in each.
Major keys
- D♭ majorImaj9
- A♭ majorIVmaj9
Minor keys
- B♭ minorIIImaj9
- F minorVImaj9
D♭ Major 9th chord FAQ
What notes are in the D♭ Major 9th chord?
D♭ Major 9th (D♭maj9) has 5 notes: D♭, F, A♭, C and E♭. Its formula is 1 – 3 – 5 – 7 – 9, counted up from D♭.
How do you play D♭ Major 9th on the piano?
Spread it over two hands: the left hand plays D♭ and A♭ (fingers 5 and 1), the right hand plays F, C, E♭ (fingers 1, 3 and 5).
Is D♭ Major 9th the same as C♯ Major 9th?
On the piano, yes: C♯maj9 (C♯, E♯, G♯, B♯, D♯) uses exactly the same keys as D♭maj9 (D♭, F, A♭, C, E♭). Which name is used depends on the key of the piece; D♭maj9 is the more common spelling.
What are the inversions of D♭ Major 9th?
1st inversion: F, A♭, C, D♭, E♭ (D♭maj9/F). 2nd inversion: A♭, C, D♭, E♭, F (D♭maj9/A♭). 3rd inversion: C, D♭, E♭, F, A♭ (D♭maj9/C).
What key is D♭ Major 9th in?
D♭maj9 belongs to D♭ major (Imaj9), A♭ major (IVmaj9), B♭ minor (IIImaj9) and F minor (VImaj9).