Małach - rapper and producer, and Rufuz - rapper have recorded together since 2003. Strongly associated with the Dark Zone crew, which in recent years played a very important role in Polish street hip hop. Małach and Rufuz have recorded two albums so far: underground "TP1" from 2009 and officially released, very well received by fans of "Relacja 2012" from 2012. They cooperated with many well-known hip-hop artists such as Bonus and Dudek from RPK, Diox from HIFI Bandy or Ero from JWP. DJ Grubaz supports them at concerts and in studio recordings. They are very much appreciated and often invited to concerts by young creators of strong, inspired by French and New York hip-hop sound.