Theoretical key the signature this leads to a key whose key signature has an additional sharp. A piece in C that performs this modulation would lead to the theoretical key of G major, requiring eight sharps, meaning an F in place of the F already present. To write that passage with a new key signature would require recasting the new section using the enharmonically equivalent key signature of A major. An example of such recasting is Claude Debussy's "Suite bergamasque": in the third movement "Clair de lune" the key shifts for a few measures from D major to D minor (eight flats),
Au clair de la lune night by all the little boys of Paris, that song of "Au clair de la lune," every verse of which was a remembrance of happiness to Cresson, and a reproach of cruelty to friend Peterkin, who would not open his door to his neighbor, when he requested this slight service. In his 1952 memoir "Witness", Whittaker Chambers reminisced: In my earliest recollections of her, my mother is sitting in the lamplight, in a Windsor rocking chair, in front of the parlor stove. She is holding my brother on her lap. It is bed time and, in a thin sweet voice,