Eric Prydz (or Cirez D) is a musician and label owner in Sweden. He runs the labels Pryda Recordings, Pryda Friends, and Mouseville Records.
Cirez D is his alias for when releasing more monotone songs.
Prydz is a member of the well known and worldwide dominating Swedish House Mafia with Steve Angello, Sebastian Ingrosso, and Axwell.

The track "Teaser" was produced as a joke for some friends for a dj gig in Stockholm. The point of the joke was to show how uninteresting the progressive genre is. However the track got an amazing response, so Prydz decided to release it under the Cirez D alias. This was told by Prydz himself in an interview with Swedish national radio P3.