| − | In music, certain keys can be related to each other since they have identical key signatures (equal number of sharps or flats). For examples, D major and B minor are relative major/minor keys since they both have two sharps in their key signature. | + | In music, certain keys can be related to each other since they have identical key signatures (equal number of sharps or flats). For example, D major and B minor are relative major/minor keys since they both have two sharps in their key signature. |