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Chord · Reference entry

E Power

Power · E – B · intervals P1-P5

The E Power chord (E5) contains the notes E and B. Its interval formula is R-P5. Just the root and 5th — no 3rd, no major/minor identity, the staple of distorted rock guitar.

At the keyboard

E · B
Flashcards · Chord
Three questions on E Power
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E5

The E Power chord is a two-note chord made up of E and B. It is built from a root and perfect fifth.

Construction

E Power = Root + Perfect 5th = E · B
NoteIntervalDegree
ERoot1
BPerfect 5th5

E Power Inversions

E Power piano chord, 1st inversion — B, E
The E Power chord, 1st inversion, on a piano keyboard.
PositionNotes
Root PositionE – B
1st InversionB – E
2nd Inversion

Key Signature

A chord has no key signature of its own, but the E Power is the tonic (I) chord of E Major, whose key signature has 4 sharps (F♯, C♯, G♯, D♯).

F♯C♯G♯D♯

Order of sharps

Sharps are added to a key signature in a fixed order. Each new sharp key adds the next sharp on the list.

FCGDAEB

Mnemonic: Father Charles Goes Down And Ends Battle

Chords in the Key of E Major

These are the triads built on each degree of the E major scale:

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

E Power — Frequently Asked Questions

What is the E Power chord on piano?
The E Power chord contains the notes E – B. On piano, play these notes together to sound the chord.
What notes are in the E Power chord?
The E Power chord (E5) contains 2 notes: E, B. Formula: R-P5.
How is E5 used in music?
E5 is used in jazz, fusion, and contemporary music to add harmonic color. It appears as a dominant or tonic chord depending on context.
What is the scale degree formula for E5?
E5 uses scale degrees 1-5, giving it its distinctive sound.

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

    Jadassohn, Salomon(1883)

    A Manual of Harmony

    Public domain treatise
  2. 2

    Prout, Ebenezer(1889)

    Harmony: Its Theory and Practice

    Public domain treatise
  3. 3

    Goetschius, Percy(1889)

    The Material Used in Musical Composition

    Public domain treatise
  4. 4

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Entry reviewed and maintained by Justin Evans. Corrections are read and applied.Report an error

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