Mason is the stage name of the Dutch music producer duo Iason Chronis (born April 17, 1982) and Coen Berrier (born December 23, 1983). They had a number one on the UK Dance Chart in 2007 with their track Exceeder. Exceeder had originally been an instrumental and had received a vinyl only release in the UK in 2006. The new version of the track, Perfect (Exceeder) featured vocals from Princess Superstar and reached number 3 on the national British chart in January 2007. Read more on Last.fm