None
Three sharps; F-sharp, C-sharp and G-sharp.
That would be C-sharp major. Every note is sharp.
A major has 3 sharps, A minor has no sharps or flats.
C major - No sharps or flats D major- 2 sharps (F,C) G major- 1 sharp (F) E major- 4 sharps (F,C,G,D)
C major: no sharps, no flats F major: no sharps, B flat Bb (B flat) major: no sharps, B and E flat Eb major: no sharps; B, E, and A flat Ab major: no sharps; B, E, A, and D flat Db major: no sharps; B, E, A, D, and G flat Gb major/F# (F sharp) major: no sharps; B, E, A, D, G, and C flat / F, C, G, D, A, and E sharp; no flats B major: F, C, G, D, and A sharp; no flats E major: F, C, G, and D sharp; no flats A major: F, C, and G sharp; no flats D major: F and C sharp, no flats G major: F sharp, no flats
There are no flats in D major, but there are 2 sharps. C sharp and F sharp.
C sharp major, or A sharp minor. The sharps are F, C, G, D, A, E and B.C# Major does
E sharp has 3 sharps and 4 double sharps, the sharps are E sharp, A sharp, and B sharp.
A major has three sharps: F, C, and G.F sharp, C sharp, G sharp
The major scale with 2 sharps is D major, they are F and C sharp.
B major, or G sharp minor. The sharps are F, C, G, D and A. F#, C#, G#, D#, A#
Three sharps mean the piece is played in the key of A. If one sharp is in front of Middle C, you play C sharp. If two sharps are in front of Middle C, you play D. If three sharps are in front of Middle C, you play D sharp.