F sharp is the enharmonic.
F sharp is the enharmonic.
The enharmonic equivalent to A-flat is G-sharp; The enharmonic equivalent to G-flat is F-sharp.
g#
A flat
Yes.
G sharp (enharmonic A flat).
G sharp (enharmonic A flat).
A flat. Because this note is between G and A, you can go up from G (make it a sharp) or down from A.
G double sharp is a very clumsy way of saying (enharmonically) "A natural".
Enharmonic
The equivalent of an f sharp is a G flat.
It's called enharmonic spelling. An example is C-sharp and D-flat.