Slums Attack is a Polish rap group formed in Poznań in 1993 by Peja and Marcin “Iceman” Maćkowiak. After releasing early demo recordings, the group issued the self-titled Slums Attack in 1996, followed by their official phonographic debut, Zwykła codzienność, in 1997. DJ Decks joined the group in 1998, and Slums Attack released Całkiem Nowe Oblicze (1999) and I nie zmienia się nic... (2000). Their breakthrough album, Na legalu?, arrived in 2001 and included “Głucha noc,” “Jest jedna rzecz,” and “Mój rap, moja rzeczywistość.” The album achieved Platinum certification and received the Fryderyk Award for Hip-Hop Album of the Year. The group followed with Najlepszą obroną jest atak (2005), Szacunek Ludzi Ulicy (2006), Reedukacja (2011), and CNO2 (2012). In 2013, Slums Attack marked their 20th anniversary with the compilation 20/20 Evergreen. After a period of separate activity, Peja and DJ Decks resumed recording together, and in 2025 Slums Attack released the album SLUG.