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 Anderson and William March write: "A few days later, in the same apartment. The living-room is empty: Rhoda can be seen practicing 'Au Clair de la Lune' on the piano in the den." Au clair de la lune "" (, lit. "By the Light of the Moon") is a French folk song of the 18th century. Its composer and lyricist are unknown. Its simple melody () is commonly taught to beginners learning an instrument. Some sources report that "plume" (pen) was originally "lume" (an old word for "light" or "lamp"). 19th-century French composer Camille Saint-Saëns quoted the first few notes