Kostas Roukounas (born 1934, Greece) is a prominent figure in the genre of Greek folk music, particularly known for his contributions to the rebetiko style, which is often characterized by its themes of love, hardship, and social issues. His career began in the 1950s, and he quickly gained recognition for his soulful voice and skilled bouzouki playing. Notable works include songs like "O Mavros Kleftis" and "To Kafe Tis Haras," which reflect the struggles and joys of everyday life in Greece. Roukounas's music often incorporates traditional Greek instruments and melodies, allowing him to connect deeply with the cultural roots of his audience. His impact on music is significant, as he helped preserve and popularize rebetiko music during a time when it faced decline due to modernization. Roukounas is celebrated for his authenticity and passion, influencing a new generation of musicians who seek to keep the traditional sounds of Greece alive. His work not only showcases the richness of Greek folk music but also serves as a historical record of the socio-cultural shifts in Greece over the decades.