D♭ / C♯ suspended fourth
How to play D♭sus4 — Suspended fourth
D♭sus4 (Suspended fourth)D♭ · G♭ · A♭
Piano samples: Salamander Grand Piano (CC-BY 3.0)
D♭ / C♯ suspended fourth — notes and structure
The D♭sus4 chord replaces the third with the fourth for an open, unresolved sound that usually pulls back to the plain major chord.
The D♭sus4 suspended fourth consists of the notes D♭, G♭, A♭. Its interval structure is R–4–5 — the root, then each chord tone stacked above it. This is the same chord you see in the interactive finder above, drawn on the piano keyboard with the root circled and every chord tone labelled.
D♭sus4 stacks a perfect fourth (G♭) and a perfect fifth (A♭) above the root D♭.
To play D♭sus4, press the keys D♭, G♭, A♭ together — the root D♭ is circled on the interactive keyboard above.
What key is D♭sus4 in?
Every note of D♭sus4 belongs to the scales below, so the chord sounds at home in each of these keys — the roman numeral is the degree it sits on.
- A major — the III chord
- E major — the VI chord
- B major — the II chord
- D♭ major — the I chord
Chords that go with D♭sus4
In A major, the chords built on the first, fourth and fifth degrees carry most songs — put D♭sus4 next to these:
Frequently asked questions
- What notes are in the D♭ / C♯ suspended fourth chord on piano?
- The D♭sus4 chord is made of the notes D♭, G♭, A♭. It replaces the third with the fourth for an open, unresolved sound that usually pulls back to the plain major chord.
- How do you play D♭ / C♯ suspended fourth on the piano?
- Press D♭, G♭, A♭ at the same time, with the root D♭ as the lowest note. The interactive keyboard above lights up the exact keys.
- What is the suspended fourth chord formula?
- Its interval structure is R–4–5 above the root — the same shape transposed to any of the twelve keys.
- What key does D♭sus4 belong to?
- D♭sus4 fits A major (where it is the III chord), E major (where it is the VI chord), B major (where it is the II chord) — every note of the chord is in those scales.