E♭ Suspended 2nd Chord

Chord Tones: E♭ Suspended 2nd Chord

Symbol: sus2 — Formula: 1-2-5

DegreeNoteFrequency (A=440, Equal)
1 E♭4 311.127 Hz
2 F4 349.228 Hz
5 B♭4 466.164 Hz

Chord Notation

Notation TypeSymbol / Value
Lead Sheet SymbolE♭sus2
All Common Symbolssus2
Interval Formula1-2-5
Harmonic Categoryopen

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 F4 B♭4 E♭ E♭ Suspended 2nd Chord
First Inversion F4 B♭4 E♭4 F E♭ Suspended 2nd Chord/F
Second Inversion B♭4 E♭4 F4 B♭ E♭ Suspended 2nd Chord/B♭

Harmonic Function

The E♭ sus2 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 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. The E♭ Suspended 2nd Chord specifically contains 3 notes: E♭, F, B♭ (formula: 1-2-5). 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♭ Suspended 2nd Chord frequently appears in these progression patterns (shown in Roman numeral notation relative to key):

Songs Featuring the Suspended 2nd Chord

Well-known songs where the E♭ Suspended 2nd 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
F4 349.228 Hz 347.654 Hz 348.834 Hz
B♭4 466.164 Hz 463.538 Hz 470.926 Hz

Scales Containing the E♭ Suspended 2nd Chord

These scales include the E♭ Suspended 2nd Chord as a diatonic or characteristic chord: