Oddział Zamknięty is a renowned Polish rock band that gained significant popularity in the 1980s. Established in 1979 in the Polish capital of Warsaw, the group became a household name with their unique blend of rock music infused with new wave elements and a touch of Polish heart. Their name, which translates to "Closed Ward," reflects the depth and sometimes dark introspection of their music, touching on themes of personal and societal issues.

The band's lineup has seen several changes over the years, but they have maintained a consistent presence in the Polish music scene. Oddział Zamknięty made a striking impression with hits like "Ten wasz świat," "Andzia i ja," and "Obudź się" that have resonated with fans across generations. Despite the ebbs and flows of the music industry, they have continued to produce music and perform live, demonstrating their versatility and ability to adapt with changing musical trends. The release of demos like "Party," "Parszywa 13," and "Facet," among others, reveals the group's unwavering commitment to their craft and willingness to explore new sonic avenues while staying true to their rock roots.