Nuno Resende Le Grand Soir
"Le grand soir" ("The big night") was the Belgian entry in the Eurovision Song Contest 2005, performed in French by Nuno Resende.
The song is a dramatic ballad, with Resende singing about the drama of "Le grand soir." The song title could be translated as "The Great Day," (even though soir literally means "evening"), and it refers to the day a social revolution will come. Le grand soir is a well-known expression in French, and is often used ironically. See the French Wikipedia entry here for detailed info.