Qu'est-ce que a la claire fontaine ?

"Au clair de la lune" is a French folk song that originated in the 18th century. It is also known as "A la claire fontaine." The song has a melancholic melody and lyrics that focus on the theme of lost love. The lyrics describe a young man who has lost his love and is disheartened by the separation. The man visits a clear fountain and laments his lost love. The song has been widely popular in France and has been covered by many artists over the years. Its simple melody has made it a popular lullaby for children as well.