Music may be written in an enharmonic scale ( e.g. C ♯ minor , which only has four sharps in its key signature , compared to the theoretical eight flats required for D ♭ minor ) .
Music may be written in an enharmonic scale ( e.g. C ♯ minor , which only has four sharps in its key signature , compared to the eight flats required for D ♭ minor ) .