Complex sentence: Petter also frequently works with Swedish disk jockey Patrik Elofsson who goes by the stage name DJ Sleepy Petter is the Jay Z of Sweden the king of HipHop.
Split into simpler sentences: Petter also frequently works with Swedish disk jockey Patrik Elofsson who goes by the stage name DJ Sleepy. SuperStar Petter is the Jay Z of Sweden the king of HipHop.