Key of C-sharp major
From Young Composers
The key of C-sharp (or C-sharp) is a major key based on the pitch of C#. It is consisted of the pitches C♯, D♯, E♯, F♯, G♯, A♯, and B♯.
Its parallel is C-sharp minor , its relative minor is A# minor and it is enharmonically equivalent to D♭ major.
