Iason Chronis, better known as Mason, is a Dutch DJ and record producer. He had a number one on the UK Dance Singles Chart in 2007 with his 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)", is a mashup with American rapper Princess Superstar's song "Perfect" and reached number 3 on the national British chart in January 2007. The track was a big hit in many countries worldwide. He also had chart success in 2011 with his song "Runaway"—which is a modern version of "Runaway" by Eruption, and "Boadicea", featuring Róisín Murphy—in 2016 with "Fashion Killa", and with many club releases since. Mason is the owner of the record label Animal Language.

Concetta Suzanne Kirschner, better known as Princess Superstar, is an American rapper and DJ. She has had two chart hits in the UK, "Bad Babysitter", which reached number 11 on the UK Singles Chart in 2002, and "Perfect (Exceeder)", which reached number three in 2007. She has recorded with Moby, The Prodigy, Arthur Baker, Prince Paul, and Grandmaster Flash, amongst others.