Artists like Peja

Kaliber 44 is one of the biggest Polish hip hop groups, formed in 1993 in Katowice. The group is dubbed the most influential Polish hip hop band, while their so-called hardcore psycho rap style is the most prominent. It was formed in the early nineties in Katowice, and its current members are Marcin "Abradab" Marten and Michał "Eprom" Baj. Over the years, the band was also co-founded by Michał "Joka" Marten, Piotr "Magik" Łuszcz, Sebastian "DJ Feel-X" Filiks, Rafał "Jajonasz" Łukaszczyk and Rafał "Gano" Wywioł.

Marcin "AbradAb" Marten is a Polish rapper, actor and music producer. Marten is a founding member of big Polish hip-hop group Kaliber 44 and, since 2002, a solo artist. He is a member of Polish Society of the Phonographic Industry. Marten is a winner of four Fryderyk awards. In 2011, Machina magazine placed Marten at No.17 on the list of 30 best Polish rappers. He has also collaborated with artists like Piotr Banach, Bosski Roman, Maciej Maleńczuk, Wojciech Waglewski, Grubson, L.U.C, Ania Dąbrowska, Happysad, Tede, Peja, Gromee, Augustus Pablo, Kali and O.S.T.R.

Adam Andrzej Ostrowski, better known as O.S.T.R., is a Polish rapper, musician, audio engineer and record producer, famous for his freestyle rap skills, ambitious lyrics and unique beats. He graduated from the Academy of Music in Łódź, violin class. He is one of the few Polish rappers who have received professional musical education. He has collaborated with American rappers such as Evidence, El Da Sensei, Craig G, Keith Murray, Jeru The Damaja, Lil' Dap, Sadat X and Canadian producer Marco Polo. He has also collaborated with many Polish artists, including jazz musicians Michał Urbaniak, AbradAb Hades, SOFA, Fokus, DJ Deszczu Strugi, DonGURALesko, Vienio i Pelson, Fu, Pezet, Sistars and Slums Attack. He is a member of bands such as Tabasko, Skill Mega, Killing Skills, Beat Brothers and musical project POE. He is also a former member of Obóz TA and LWC. In 2013, he shared the position of art director of Męskie Granie festival with alternative rock vocalist Kasia Nosowska.

Piotr Szmidt, better known by his stage name Ten Typ Mes, is a Polish rapper and record producer.

Piotr Krzysztof Liroy-Marzec, better known as Liroy (Leeroy), is a Polish rapper and politician.

Slums Attack is a Polish street rap, rap and hip-hop group, founded in 1993 in Poznań by Peja and Marcin "Iceman" Maćkowiak. Since 1998, the group consists of Peja and Dariusz "DJ Decks" Działek. The group became popular in Poland in the 2000s.

Zeus is a Toronto-based Canadian indie rock band signed to the Arts & Crafts record label. Its members include Rob Drake, Carlin Nicholson, Mike O'Brien, and Neil Quin. The band have released three albums and one EP since 2009. They have also served as the backing band for Canadian musician Jason Collett.