Quidam is a Polish rock band whose musical style is rooted in progressive rock, characterized by their melodic intensity, intricate compositions, and the soulful voice of their lead singer. The band was formed in the 1990s, emerging from the vibrant music scene of Poland with a sound that resonates with the timeless qualities of the genre while incorporating modern and eclectic influences. Their eponymous album "Quidam," which marked one of their earliest releases, set the stage for their distinct blend of musical creativity.

Over the years, Quidam has not only solidified their presence in the Polish music scene but has also garnered international attention through both studio releases and live performances. Albums like "Sanktuarium / Pod powieką" and "Saiko" exemplify their evolution in sound and artistic depth, furthering their impact within the prog-rock community. The band's live album "Baja Prog (Live In Mexico '99)" captures the energy and dynamism of their stage presence, proving their proficiency as live performers. With "Alone Together," Quidam delivered a poignant and contemplative musical experience, while "Bez Polpradu... Halfplugged" showcased their versatility and ability to reinterpret their compositions in a more intimate, acoustic setting. "Surrevival" and "The Time Beneath The Sky" continued to build on their legacy, weaving rich sonic narratives that exemplify the band's dedication to their art. "Angels' Dreams" stands as another testament to their enduring allure within the progressive rock realm. Through these releases, Quidam has not only maintained relevance in the ever-changing landscape of music but has also secured their place as a cherished and influential entity among prog-rock aficionados.