C-sharp major

C♯ major (or C-sharp major) is a major scale based on C♯, consisting of the pitches C♯, D♯, E♯, F♯, G♯, A♯, and B♯. Its key signature has seven sharps. Its relative minor is A♯ minor (or enharmonically B♭ minor) and its parallel minor is C♯ minor. The direct enharmonic equivalent equivalent of C♯ major is D♭ major. A harp tuned to C-sharp major has all its pedals in the bottom position. Because all the strings are then pinched and shortened, this is the least resonant key for the instrument.

C-sharp major

C♯ major (or C-sharp major) is a major scale based on C♯, consisting of the pitches C♯, D♯, E♯, F♯, G♯, A♯, and B♯. Its key signature has seven sharps. Its relative minor is A♯ minor (or enharmonically B♭ minor) and its parallel minor is C♯ minor. The direct enharmonic equivalent equivalent of C♯ major is D♭ major. A harp tuned to C-sharp major has all its pedals in the bottom position. Because all the strings are then pinched and shortened, this is the least resonant key for the instrument.