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 In 2008, a phonautograph paper recording made by Édouard-Léon Scott de Martinville of "Au clair de la lune" on 9 April 1860, was digitally converted to sound by U.S. researchers. This one-line excerpt of the song was widely reported to have been the earliest recognizable record of the human voice and the earliest recognizable record of music. According to those researchers, the phonautograph recording contains the beginning of the song, "". In 2008, composer Fred Momotenko composed "Au clair de la lune" as an artistic journey back in time to rediscover the original recording made on 9 April 1860. It