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E Augmented

Notes: E - G♯ - B♯ | Degrees: 1 - 3 - ♯5 | Written: Eaug, E+

Construction: Root, Major 3rd, Augmented 5th

It is formed by two stacked major thirds: E to G# (4 semitones) and G# to C (4 semitones)

Fingering: RH 1-3-5, LH 5-3-1

Inversions: Root Eaug - 1st Eaug/G♯ - 2nd Eaug/B♯

Related boards
Second inversion8 st, 110.0 mmFigured bass: 6/4

B♯4, E4, G♯4

Fingerings

Second inversion: either hand, fingers low note to high
HandNotesFingers
RightB♯, E, G♯1-3-5
LeftB♯, E, G♯5-2-1

Close-position standard fingering: either hand takes the whole shape. Thumb is 1, little finger is 5.

E Augmented: notes and degrees

Eaug contains E, G♯ and B♯. Two stacked major thirds.

Scale degree, note, and interval measured from the root.
DegreeNoteInterval from rootSemitones
1EPerfect unison0
3G♯Major third4
♯5B♯Minor sixth8

G♯ is a black key; E and B♯ are white.

Construction

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

Fingering

NoteKey colorRight handLeft hand
Ewhitethumb (1)little finger (5)
G♯blackmiddle finger (3)middle finger (3)
B♯whitelittle finger (5)thumb (1)

Right hand: thumb (1) on E, middle finger (3) on G♯, little finger (5) on B♯.

Left hand: little finger (5) on E, middle finger (3) on G♯, thumb (1) on B♯.

E Augmented Inversions

  • Root position
    E – G♯ – B♯
  • 1st inversion (Eaug/G♯)
    G♯ – B♯ – E
  • 2nd inversion (Eaug/B♯)
    B♯ – 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.

Chords in the Key of E Major

These are the triads built on each degree of E Major:

C1C2C3C4EBC5C6C7C8G♯
IE Major (major)
DegreeNumeralChordQuality
1IE MajorMajor
2iiF♯ MinorMinor
3iiiG♯ MinorMinor
4IVA MajorMajor
5VB MajorMajor
6viC♯ MinorMinor
7vii°D♯ DiminishedDiminished

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.

E Augmented in detail

Exact

Every pitch class is present and nothing outside the chord is added.

TypeNotesSemitonesSpanOmissions and additionsSet relationFit
Close, root positionE3 G♯3 B♯48110 mmnoneidentical
Close, first inversionG♯3 B♯4 E48110 mmnoneidentical
Close, second inversionB♯4 E4 G♯48110 mmnoneidentical
Open, fifth on topE2 B♯3 G♯316220 mmnoneidentical

Reduced

A subset of the pitch classes: the identity is incomplete rather than altered.

TypeNotesSemitonesSpanOmissions and additionsSet relationFit
Root and third onlyE3 G♯3455 mmomits B♯subset

Spans are measured centre to centre at a 165 mm octave (standard keyboard geometry).

Change one note

Chords a single note away, and what moving that note does.

ChordChangeFormulaCommon tones
Eaug7adds D1 3 ♯5 ♭73
EB♯ becomes B1 3 52
Emaj7B♯ becomes B, D♯1 3 5 72
E7B♯ becomes B, D1 3 5 ♭72
E6B♯ becomes B, C♯1 3 5 62
Eadd9B♯ becomes B, F♯1 3 5 92
EmG♯, B♯ becomes G, B1 ♭3 51
EdimG♯, B♯ becomes G, B♭1 ♭3 ♭51
Esus2G♯, B♯ becomes F♯, B1 2 51
Esus4G♯, B♯ becomes A, B1 4 51

Frequencies

NoteMIDIFrequency
E352164.81 Hz
G♯356207.65 Hz
B♯460261.63 Hz

Reference pitch A440, 12-TET, close root position.

Set theory: prime form, Forte number, interval vector
Absolute pitch class set
{4, 8, 0}
Normal order
[0, 4, 8]
Prime form
(048)
Forte number
3-12
Interval vector
<000300>
PairIntervalSemitonesInterval class
E to G♯Major third44
E to B♯Minor sixth84
G♯ to B♯Major third44

Where these facts come from

Every value on this page is derived from the note formula for a augmented applied to the root E, using standard music theory. Nothing here is hand-entered per chord, so the notes, intervals, inversions and frequencies cannot drift out of agreement with each other. Pitches assume 12-TET at A440.