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Chord · Reference entry

E Augmented

Augmented · E – G♯ – B♯ · intervals P1-M3-A5

The E Augmented chord (Eaug) contains the notes E, G♯, and B♯. Its interval formula is R-M3-A5. Two stacked major thirds — symmetrical and dreamlike, often used to modulate between keys.

At the keyboard

E · G# · B#
Flashcards · Chord
Three questions on E Augmented
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E+

The E Augmented chord is a three-note chord made up of E, G♯, and B♯. It is built from a root, major third, and augmented fifth.

Construction

E Augmented = Root + Major 3rd + Minor 6th = E · G♯ · B♯
NoteIntervalDegree
ERoot1
G♯Major 3rd3
B♯Minor 6th♯5

E Augmented Inversions

E Augmented piano chord, 1st inversion — G♯, B♯, E
The E Augmented chord, 1st inversion, on a piano keyboard.
E Augmented piano chord, 2nd inversion — B♯, E, G♯
The E Augmented chord, 2nd inversion, on a piano keyboard.
PositionNotes
Root PositionE – G♯ – B♯
1st InversionG♯ – B♯ – E
2nd InversionB♯ – E – G♯

Key Signature

A Augmented chord is built from symmetrical or ambiguous intervals, so it doesn’t belong to a single key and has no key signature of its own.

Same Notes, Other Names

The notes E – G♯ – B♯ aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell the following:

E Augmented — Frequently Asked Questions

What is the E Augmented chord on piano?
The E Augmented chord contains the notes E – G♯ – B♯. On piano, play these notes together to sound the chord.
What notes are in the E Augmented chord?
The E Augmented chord contains three notes: E (root), G# (major third), and B# (augmented fifth — one semitone higher than a perfect fifth). The augmented fifth is what gives this chord its tense, unresolved quality.
How does the E Augmented chord differ from E Major?
The only difference between E Augmented and E Major is the fifth: E Major has a perfect fifth, while E Augmented raises it by one semitone to an augmented fifth (B#). This single change transforms a stable, resolved chord into one full of tension and forward motion.
What is the symbol for the E Augmented chord?
The E Augmented chord is written as Eaug or E+. The "aug" or "+" symbol indicates the augmented fifth. In lead sheets and chord charts, both notations are common — Eaug appears in classical and jazz contexts while E+ is common in pop and rock.
How do I use the E Augmented chord in music?
Augmented chords create tension and a sense of motion. The most common uses are: (1) as a chromatic passing chord between the I and IV chords (e.g., E → Eaug → IV), (2) over a chromatic bass line moving upward, and (3) in jazz as a substitute for dominant chords. The augmented fifth wants to resolve up by one semitone.
What are the inversions of the E Augmented chord?
The E Augmented chord has a unique property: all three of its inversions are enharmonically equivalent. Because each note is separated by exactly 4 semitones (a major third), rotating the notes always produces the same interval structure. Eaug in root position, first inversion, and second inversion all sound the same quality.
What songs use augmented chords?
Augmented chords appear in Oh! Darling (Beatles), which uses Aaug as a chromatic passing chord, and in many jazz standards as chromatic dominant substitutes. Stevie Wonder and Elton John frequently use augmented chords for their characteristic tension-building quality.

Related Tools

Chord FinderLook up any chord — see the notes, hear it, and play along.Chord DrillTimed drills to build speed and recognition across all chord types.Practice RoomPlug in a MIDI keyboard and get real-time feedback on every chord and scale.Circle of FifthsVisualize key relationships, relative minors, and key signatures.MIDI MonitorLive MIDI message stream with note names, velocity, and a scrolling staff.

References & Further Reading

The note names, intervals, fingering, and harmony on this chord page are grounded in the following sources. Public domain treatises and scores are linked to their full text; primary data is piano.org's own interval-derived reference dataset — continuously maintained and human-verified, with no fixed publication date.

  1. 1

    Prout, Ebenezer(1889)

    Harmony: Its Theory and Practice

    Public domain treatise
  2. 2

    Goetschius, Percy(1889)

    The Material Used in Musical Composition

    Public domain treatise
  3. 3

    Riemann, Hugo(1896)

    Harmony Simplified (English translation)

    Public domain treatise
  4. 4

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