S.O.A.P. were a Danish pop music duo made up of the two sisters Heidi "Suriya" Sørensen (born October 18, 1979) and Saseline "Line" Sørensen (born July 26, 1982). Their music was primarily written by Remee and produced by Holger Lagerfeldt for Sony Music Entertainment Denmark. They released two albums before they disbanded in 2002. They are best known for their single "This Is How We Party", and sold almost 2 million albums worldwide.