"King of My Castle" is a song by American electronic music producer Chris Brann under his Wamdue Project alias, with vocals by Gaelle Adisson. It was originally released in 1997 as a downtempo song, but became a worldwide club hit in 1999 when it was remixed by house producer Roy Malone ( Mauro Ferrucci & Walterino DJ) and featured on the 1998 album Program Yourself. The song peaked at number one on the Billboard Hot Dance Club Songs. Outside the United States, the song topped the charts in the United Kingdom, peaked within the top ten of the charts in Austria, Belgium, Denmark, France, Germany, Iceland, Italy, the Netherlands, Norway, the Republic of Ireland and Switzerland and the top twenty of the charts in Canada and Switzerland.