E♭ Dominant Seventh Chord

Chord Tones: E♭ Dominant Seventh Chord

Symbol: 7 — Formula: 1-3-5-♭7

DegreeNoteFrequency (A=440, Equal)
1 E♭4 311.127 Hz
3 G4 391.995 Hz
5 B♭4 466.164 Hz
♭7 D♭4 277.183 Hz

Chord Notation

Notation TypeSymbol / Value
Lead Sheet SymbolE♭7
All Common Symbols7
Interval Formula1-3-5-♭7
Harmonic Categorytense

Roman numeral (e.g. I, IV, V) and Nashville Number notation are key-dependent. See Keys pages for chord function within specific keys.

Inversions

InversionNotes (low to high)Bass NoteSlash Notation
Root Position E♭4 G4 B♭4 D♭4 E♭ E♭ Dominant Seventh Chord
First Inversion G4 B♭4 D♭4 E♭4 G E♭ Dominant Seventh Chord/G
Second Inversion B♭4 D♭4 E♭4 G4 B♭ E♭ Dominant Seventh Chord/B♭
Third Inversion D♭4 E♭4 G4 B♭4 D♭ E♭ Dominant Seventh Chord/D♭

Harmonic Function

The E♭ dominant seventh chord commonly functions as the mediant (♭III) in C minor or subdominant in B♭ major. Its harmonic role varies by key — in major keys it provides extended harmonic tension.

The dominant seventh chord is the most harmonically active chord in Western music. Its tritone between the third and flat seventh creates strong tension that resolves naturally to the tonic. The E♭ Dominant Seventh Chord specifically contains 4 notes: E♭, G, B♭, D♭ (formula: 1-3-5-♭7). On piano, Eb-rooted chords sit on a black key with white keys nearby, and jazz pianists often find rootless Eb voicings fall naturally under the fingers. R&B, soul, gospel, and Motown music frequently use Eb chords, which provide a warm, rich harmonic bed that complements vocal melodies.

Common Progressions

The E♭ Dominant Seventh Chord frequently appears in these progression patterns (shown in Roman numeral notation relative to key):

Songs Featuring the Dominant Seventh Chord

Well-known songs where the E♭ Dominant Seventh Chord — or this chord type — plays a prominent role:

Tuning Frequencies Across Temperaments

Frequencies shown at A=440 Hz. View full temperament data for any note.

NoteEqual Temp.PythagoreanJust Intonation
E♭4 311.127 Hz 309.026 Hz 313.951 Hz
G4 391.995 Hz 391.111 Hz 392.438 Hz
B♭4 466.164 Hz 463.538 Hz 470.926 Hz
D♭4 277.183 Hz 278.437 Hz 279.067 Hz

Scales Containing the E♭ Dominant Seventh Chord

These scales include the E♭ Dominant Seventh Chord as a diatonic or characteristic chord: