The E flat augmented chord contains E♭, G and B. It is also written E♭aug or E♭+. The formula is 1–3–♯5; select root position or either inversion to locate the notes.
The E flat augmented chord raises B♭, the fifth of E♭ major, to B natural. E♭ and G stay in place. E♭–G and G–B each span four semitones in root position, producing the augmented triad without adding a seventh.
Preserve the written note spelling shown for this chord.
Choose a position to keep the written notes, sounding keys, bass note, playback and print reference synchronized.
Select E♭, G and B in the practice keyboard. B♭ would give E♭ major rather than the raised fifth requested here. The exercise checks the three note names as pitch classes, so clicking a different note first does not determine an inversion.
E♭aug uses 1–3–♯5: E♭–G–B.
Compared with E♭ major, raise the fifth by one semitone.
The chord tones stay the same while the lowest chord tone changes.
| Position | Symbol | Notes, low to high | Bass |
|---|---|---|---|
| Root position, current selection | E♭aug | E♭4–G4–B4 | E♭4 |
| First inversion | E♭aug/G | G4–B4–E♭5 | G4 |
| Second inversion | E♭aug/B | B4–E♭5–G5 | B4 |
Read the E flat augmented chord as three pitches with specific octave labels. G and B are the inversion bass notes. The diagrams do not assign finger numbers; retain B natural when choosing a comfortable way to play the displayed notes.
Use the written notes, keyboard positions and playback without treating the diagram as a required hand shape.
Read left- and right-hand finger numbersOpen Music Theory
Supports: augmented triad formula and written tone spelling
Scope: Supports the chord formula and spelling only; keyboard layouts are PianoGrid examples, and no fingering is assigned.
E♭, G and B: root, major third and augmented fifth. B is natural, rather than the B♭ found in E♭ major.
The E flat augmented chord raises the perfect fifth B♭ by one semitone. Writing B natural preserves the letter needed for a fifth above E♭.
No. The plus sign marks an augmented fifth. E♭ major uses B♭; E♭+ uses B natural. Compare the written notes before choosing a piano key.
Two, beginning on G and B. Root position begins on E♭. Use the selector to compare their low-to-high note order, bass and sound.
Select the three pitch classes that make E♭aug, then check your answer.
This one-octave exercise checks pitch classes. Order and octave do not affect the result; fingering and live performance are not assessed.
One octave, C through B. Select a key again to remove it.
Chord tones: E♭–G–B · Formula: 1, 3, ♯5
Dots mark the notes to play. C4 is middle C. Numbers identify octaves, not fingers.