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	Bilinear music notation	Octave name	Frequency (Hz)
E_-1	E͵͵͵ or ͵͵͵E or EEEE	(-uE)	Subsubcontra	10.301
E₀	E͵͵ or ͵͵E or EEE	(-vE)	Subcontra	20.602
E₁	E͵ or ͵E or EE	(-wE)	Contra	41.203
E₂	E	(-xE)	Great	82.407
E₃	e	(-yE)	Small	164.814
E₄	e′	(zE)	One-lined	329.628
E₅	e′′	(yE})	Two-lined	659.255
E₆	e′′′	(xE)	Three-lined	1318.51
E₇	e′′′′	(wE)	Four-lined	2637.02
E₈	e′′′′′	(vE)	Five-lined	5274.041
E₉	e′′′′′′	(uE)	Six-lined	10548.082
E₁₀	e′′′′′′′	(tE)	Seven-lined	21096.164

Scales

Common scales beginning on 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

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

Jazz Melodic Minor

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

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.