Db Suspended 2nd Chord
Chord Tones: Db Suspended 2nd Chord
Symbol: sus2 — Formula: 1-2-5
| Degree | Note | Frequency (A=440, Equal) |
|---|---|---|
| 1 | Db | 277.183 Hz |
| 2 | Eb | 311.127 Hz |
| 5 | Ab | 415.305 Hz |
Chord Notation
| Notation Type | Symbol / Value |
|---|---|
| Lead Sheet Symbol | Dbsus2 |
| All Common Symbols | sus2 |
| Interval Formula | 1-2-5 |
| Harmonic Category | open |
Roman numeral (e.g. I, IV, V) and Nashville Number notation are key-dependent. See Keys pages for chord function within specific keys.
Inversions
| Inversion | Notes (low to high) | Bass Note | Slash Notation |
|---|---|---|---|
| Root Position | Db – Eb – Ab | Db | Db Suspended 2nd Chord |
| First Inversion | Eb – Ab – Db | Eb | Db Suspended 2nd Chord/Eb |
| Second Inversion | Ab – Db – Eb | Ab | Db Suspended 2nd Chord/Ab |
Harmonic Function
The Db sus2 chord commonly functions as the supertonic (♭II, Neapolitan) in C major or tonic in D♭ major. Its harmonic role varies by key — in major keys it provides stable harmonic grounding.
The sus2 chord replaces the third with a major second, creating an open, ambiguous sound with no major or minor quality. It is widely used in rock and pop for its airy, unresolved character.
Common Progressions
The Db Suspended 2nd Chord frequently appears in these progression patterns (shown in Roman numeral notation relative to key):
Vsus2-V-I
Songs Featuring the Suspended 2nd Chord
Well-known songs where the Db Suspended 2nd Chord — or this chord type — plays a prominent role:
- Pinball Wizard – The Who
- She Talks to Angels – Black Crowes
- Waiting for the World to Change – John Mayer
Tuning Frequencies Across Temperaments
Frequencies shown at A=440 Hz. View full temperament data for any note.
| Note | Equal Temp. | Pythagorean | Just Intonation |
|---|---|---|---|
| Db | 277.183 Hz | 278.437 Hz | 279.067 Hz |
| Eb | 311.127 Hz | 309.026 Hz | 313.951 Hz |
| Ab | 415.305 Hz | 417.657 Hz | 418.601 Hz |
Scales Containing the Db Suspended 2nd Chord
These scales include the Db Suspended 2nd Chord as a diatonic or characteristic chord: