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 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