I only know two pieces, one is 'Clair de Lune', the other one isn't.
Victor Borge Quotes
Victor Borge (January 3, 1909 – December 23, 2000), born Børge Rosenbaum, was a Danish comedian, conductor and pianist, affectionately known as The Clown Prince of Denmark, The Unmelancholy Dane, and The Great Dane.
Attribution
Quotes and notes from Wikiquote: Victor Borge (page history), available under CC BY-SA 4.0.