Ryszard "Peja" Andrzejewski is a Polish rapper, songwriter and music producer. He is one of the best-known Polish artists performing hip-hop music. He became famous from the duo Slums Attack formed with DJ Decks. He has recorded several legendary albums and garnered many awards and distinctions for his artistic activity – he has a Fryderyk (arguably the most prestigious Polish music award), as well as 25 gold and platinum records to his credit. A leading figure in the canon of Polish hip-hop.