C-sharp, C♯, or C# may refer to:
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C♯ (musical note)
C (C-sharp) is a musical note lying a chromatic semitone above C and a diatonic semitone below D; it is the second semitone of the solfège. C-sharp is thus enharmonic to D. It is the second semitone in the French solfège and is known there as ...
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C-sharp major
C-sharp major (or the key of C-sharp) is a major scale based on C, consisting of the pitches C, D, E, F, G, A, and B. It is enharmonically equivalent to D-flat major. Its key signature has seven sharps.
The C-sharp major scale is:
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It ...
, a musical scale
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C-sharp minor
C-sharp minor is a minor scale based on C, with the pitches C, D, E, F, G, A, and B. Its key signature consists of four sharps.
The C-sharp natural minor scale is:
:
Changes needed for the melodic and harmonic versions of the scale ar ...
, a musical scale
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C# (programming language), a programming language pronounced as "C-sharp"
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