E (musical note)

E is the third note of the C major scale, and mi in fixed-do solfège. It has enharmonic equivalents of F♭ (which is by definition a diatonic semitone above E♭) and D, amongst others.

When calculated in equal temperament with a reference of A above middle C as 440 Hz, the frequency of Middle E (E₄) is approximately 329.628 Hz. See pitch (music) for a discussion of historical variations in frequency.

Designation by octave

Scientific designation	Helmholtz designation	Octave name	Frequency (Hz)
E₋₁	E͵͵͵ or ͵͵͵E or EEEE	Subsubcontra	10.301
E₀	E͵͵ or ͵͵E or EEE	Subcontra	20.602
E₁	E͵ or ͵E or EE	Contra	41.203
E₂	E	Great	82.407
E₃	e	Small	164.814
E₄	e′	One-lined	329.628
E₅	e′′	Two-lined	659.255
E₆	e′′′	Three-lined	1318.51
E₇	e′′′′	Four-lined	2637.02
E₈	e′′′′′	Five-lined	5274.041
E₉	e′′′′′′	Six-lined	10548.082
E₁₀	e′′′′′′′	Seven-lined	21096.164

Scales

Common scales in the key of E.

E Major: E F♯ G♯ A B C♯ D♯ E
E Natural Minor: E F♯ G A B C D E
E Harmonic Minor: E F♯ G A B C D♯ E
E Melodic Minor Ascending: E F♯ G A B C♯ D♯ E
E Melodic Minor Descending: E D C B A G F♯ E

E Major Modes(Diatonic scales).

E Ionian: E F♯ G♯ A B C♯ D♯ E
E Dorian: E F♯ G A B C♯ D E
E Phrygian: E F G A B C D E
E Lydian: E F♯ G♯ A♯ B C♯ D♯ E
E Mixolydian: E F♯ G♯ A B C♯ D E
E Aeolian: E F♯ G A B C D E
E Locrian: E F G A B♭ C D E

E Melodic(Jazz) Minor Modes.

E Ascending Melodic Minor: E F♯ G A B C♯ D♯ E
E Dorian ♭2: E F G A B C♯ D E
E Lydian Augmented: E F♯ G♯ A♯ B♯ C♯ D♯ E
E Lydian Dominant: E F♯ G♯ A♯ B C♯ D E
E Mixolydian ♭6: E F♯ G♯ A B C D E
E Locrian ♮2: E F♯ G A B♭ C D E
E Altered: E F G A♭ B♭ C D E

E Harmonic Minor Modes.

E Harmonic Minor: E F# G A B C D# E
E Locrian ♮6: E F G A Bb C# D E
E Ionian #5: E F# G# A B# C# D# E
E Dorian #4: E F# G A# B C# D E
E Phrygian ♮3: E F G# A B C D E
E Lydian #2: E F## G# A# B C# D# E
E Superlocrian bb7: E F G Ab Bb C D E

E Harmonic Major Modes.

E Harmonic Major: E,F#,G#,A,B,C,D#,E.
E Dorian b5: E,F#,G,A,Bb,C#,D,E.
E Phrygian b4: E,F,G,Ab,B,C,D,E.
E Lydian b3: E,F#,G,A#,B,C#,D#,E.
E Mixolydian b2: E,F,G#,A,B,C#,D,E.
E Lydian Augmented #2: E,F##,G#,A#,B#,C#,D#,E.
E Locrian bb7: E,F,G,A,Bb,C,Db,E.

F flat

F♭ is a common enharmonic equivalent of E, but is not regarded as the same note. F♭ is commonly found after E♭ in the same measure in pieces where E♭ is in the key signature, in order to represent a diatonic, rather than a chromatic semitone; writing an E♭ with a following E♮ is regarded as a chromatic alteration of one scale degree.

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