Keith Farrelle Cozart, widely known by his stage name Chief Keef, is an influential American rapper and record producer who emerged from the South Side of Chicago. Born on August 15, 1995, Cozart is recognized for his significant contribution to the hip-hop subgenre known as drill music, which he popularized for mainstream audiences. His breakthrough came in the early 2010s, when his unique sound and style began to garner attention, paving the way for a new wave of artists from Chicago.

Chief Keef's music career took off with the release of his fifth mixtape, "Back from the Dead," in 2012. This project featured the breakout single "I Don't Like," which included a collaboration with fellow artist Lil Reese. The song quickly became a local hit and marked Cozart's first entry onto the Billboard Hot 100 chart. His rising popularity caught the attention of major record labels, leading to a bidding war that culminated in a signing with Interscope Records. The label commercially re-released "I Don't Like," alongside another single, "Love Sosa," which achieved quintuple platinum status from the Recording Industry Association of America (RIAA).

Chief Keef's debut studio album, "Finally Rich," was released in December 2012 to moderate critical acclaim and commercial success. It became his only release under a major label, but it solidified his place in the hip-hop landscape. Following this, he transitioned to an independent career, releasing several studio albums, including "Bang 3" and "Bang 3, Pt. 2," both in 2015, as well as "4Nem" in 2021 and "Almighty So 2," set for release in 2024. Each of these projects has made an impact, entering the Billboard 200 chart and showcasing his evolving artistry.

In addition to his solo work, Chief Keef has collaborated with a variety of artists, further extending his influence in the music industry. Notably, he made guest appearances on tracks like "Bean (Kobe)" by Lil Uzi Vert and "All the Parties" by Drake, both of which peaked within the top 40 of the Billboard Hot 100. His collaborations reflect his ability to connect with both emerging and established talents, making him a sought-after figure in hip-hop.

As of now, Chief Keef continues to create music and engage with his fans, maintaining a significant presence in the hip-hop community. He remains a pivotal figure in the evolution of drill music and its impact on contemporary hip-hop culture, influencing a new generation of artists while staying true to his roots in Chicago. Through his innovative sound and compelling lyrical themes, Chief Keef has secured his legacy as a cornerstone of modern rap music.