D-flat major while for the return of the second theme in the first movement. Claude Debussy also switches from D-flat major to C-sharp minor in the significant section in his famous "Clair de lune". Antonín Dvořák's "New World Symphony" likewise switches to C-sharp minor for a while for the significant section in the slow movement. D-flat major is enharmonic to C-sharp major. In music for the harp, D-flat major would be preferable, not only because harp strings are more resonant in the flat position and the key has fewer accidentals, but also because modulation to the dominant key is easier (by putting
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