Yes, F sharp and G flat are enharmonically equivalent notes, meaning they sound the same pitch but are written differently depending on the context of the music.
E-flat can also be D-sharp, F-sharp can be G-flat, and A-flat can be G-sharp
E A major second is equivalent to a whole note, or two semitones, and two semitones down from G-flat (which is enharmonically equivalent to F-sharp) is E, although it might be written as F-flat depending on the key signature. F-flat, E to G-flat would be a diminished 3rd, not a major second..
There are a total of fifteen keys in Western music. Keys come with two forms, sharp keys and flat keys and one comes with all naturals. The complete list of major keys are shown below: C major (or A minor) - no sharps/flats G major (E minor) - 1 sharp D major (B minor) - 2 sharps A major (F-sharp minor) - 3 sharps E major (C-sharp minor) - 4 sharps B major (G-sharp minor) - 5 sharps F-sharp major (D-sharp minor) - 6 sharps C-sharp major (A-sharp minor) - 7 sharps F major (D minor) - 1 flat B-flat major (G minor) - 2 flats E-flat major (C minor) - 3 flats A-flat major (F minor) - 4 flats D-flat major (B-flat minor) - 5 flats G-flat major (E-flat minor) - 6 flats C-flat major (A-flat minor) -7 flats There you go, those are all the different keys you can write in!
The key signature for D sharp minor would be the one for F sharp major: FCGDAE. You can also think of it as E flat minorwhich is related to g flat major in which the key signature would be BEADGC.
Trying to answer this without a handy keyboard to demonstrate on is difficult, but I will try :) WK = white key BK = black key Starting from the note directly in the centre of the piano, it goes: WK = C BK = C sharp WK = D BK = D sharp WK = E WK = F BK = F sharp WK = G BK = G sharp WK = A BK = A sharp WK = B WK = C Bear in mind that all sharps also equal flats. For example, F sharp also equals G flat, A sharp also equals B flat.
F sharp and G flat are the same. F sharp is a half octave up from a F and a G flat is a half octave lower than a G.
F# and Gb are enharmonics. They share the same pitch, but have different functions in musical notation. Especially attuned musicians may differentiate F# and Gb particularly when they appear as thirds or fifths of chords, but yes, they are enharmonic equivalents.
a flat( or g sharp),a, b flat( or a sharp), b, c flat (or b sharp), c, c sharp (or d flat), d, e flat (or d sharp), e, f flat( or e sharp), f, f sharp ( or g flat)and g.
a flat( or g sharp),a, b flat( or a sharp), b, c flat (or b sharp), c, c sharp (or d flat), d, e flat (or d sharp), e, f flat( or e sharp), f, f sharp ( or g flat)and g.
E-flat can also be D-sharp, F-sharp can be G-flat, and A-flat can be G-sharp
C, C sharp/D flat, D, D sharp/E flat, E, F, F sharp/G flat, G, G sharp/A flat, A, A sharp/B flat, B, C.
The enharmonic equivalent to A-flat is G-sharp; The enharmonic equivalent to G-flat is F-sharp.
if you are talking about notes: c c sharp/ D flat d d sharp/ e flat e f f sharp/ g flat g g sharp/ a flat a a sharp/ b flat b etc...
2nd valve, same as F sharp.
g sharp would be g sharp or a minor. d sharp would be d sharp or e flat. a sharp would be a sharp or b flat. c sharp would be c sharp or d flat. f sharp would be f sharp or g flat. e sharp would be e sharp or f slat for which there is no such note. and g natural would be g natural.
C sharp/D flat, D sharp/E flat, F sharp/G flat, G sharp/A flat, A sharp/B flat
G sharp is also A flat.