E (musical note)

E or Mi is the first note of the E major scale.

E Note

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

F flat

F♭ is a enharmonic equivalent of E, but is not usually seen as the same note. It is used in places where there is an E♭ that would come before an E. The F♭ would then replace the E which would help avoid confusion in the notation.