enharmonic = a different letter name for the same key
C flat.
b
"Flat" means to go down one semitone. Look at a piano (or similar) keyboard, and check what you have one to the left of "C". Since on a piano there is no black key between "B" and "C", the next semitone down from "C" is simply "B".
A double sharp is the enharmonic of B nature
E natural
There are two definitions of the phrase "enharmonic equivalent", referring to the enharmonic equivalent of a single note, or the enharmonic equivalent of a key, or key signature.In the first instance, the enharmonic equivalent of the note E flat is D sharp (D#). The enharmonic equivalent of the key signature E flat major is D sharp (D#) major.
b
It is the same thing as playing a B natural because on an enharmonic scale that is how it goes.
"Flat" means to go down one semitone. Look at a piano (or similar) keyboard, and check what you have one to the left of "C". Since on a piano there is no black key between "B" and "C", the next semitone down from "C" is simply "B".
A double sharp is the enharmonic of B nature
b
B flat
A sharp
A sharp.
The enharmonic of E-sharp is F-natural.
B flat
E natural
C flat is located to the left of C. It is enharmonic with the note B.