Chicago Drill is a subgenre of hip-hop that originated in the South Side of Chicago in the early 2010s. Musically, it is a derivative of the trap music scene in Atlanta, sharing a propensity for dark, slow atmospheres and a lyrical focus on the dangers of criminal activity.

Visually and culturally, it established a gritty, unfiltered "documentary" style of music video and a distinct fashion aesthetic centered on designer denim and streetwear (particularly True Religion).

While the genre was initially defined by its hyper-local focus on Chicago gang culture, it rapidly expanded into a global phenomenon, influencing the development of UK Drill in London and Brooklyn Drill in New York.

The genre moved from the underground to the mainstream in 2012 with the rise of Chief Keef. His single " I Don’t Like " became a viral sensation, eventually catching the attention of Kanye West, who released a remix featuring Pusha-T and Jadakiss. This sparked a "gold rush" in the music industry, with major labels scrambling to sign Chicago artists such as Lil Reese, Lil Durk, and Fredo Santana.

This explosion coincided with a shift in Chicago's gang structure. The demolition of large housing projects like Cabrini-Green in the 2000s fractured the traditional gang hierarchies, creating a "balkanized" system of autonomous peer groups. This chaotic environment fueled the genre's lyrical content, which functioned as unemotional reportage of the violence in the South Side.

The rise of Drill drew the ire of the Chicago establishment, particularly Mayor Rahm Emanuel, who viewed the music as a public safety risk. The Chicago Police Department frequently targeted drill artists, shutting down concerts and pressuring venues to cancel bookings. In 2015, a benefit concert featuring a hologram of Chief Keef was aggressively shut down by police within minutes. Due to this lack of local opportunity and the threat of violence, many major figures (including Keef, Lil Durk, and G Herbo) eventually relocated to cities like Los Angeles and Atlanta.

Chicago Drill is responsible for birthing several global subgenres. The sound migrated to London, where it evolved into UK Drill , incorporating faster tempos and influences from Grime. This UK sound subsequently traveled back to the United States to influence Brooklyn Drill, popularized by artists like Pop Smoke. Modern stars such as Lil Uzi Vert and Lil Yachty have credited Chief Keef's melodic experimentation (such as on the track " Citgo ") as a blueprint for contemporary trap-pop.

The visual aesthetic of early Chicago Drill (specifically the "Glo Gang" era) has developed a cult following online. Artists like Sematary and the Haunted Mound collective have explicitly revived the 2013-era fashion (wearing True Religion denim and using deep-fried, chaotic editing styles) recontextualizing the Chicago look within the underground internet rap scene.

Fashion was a central component of the early Drill scene, heavily influenced by Chief Keef's personal style. In 2012, Keef proclaimed himself a "True Religion Fein" (fiend), cementing the denim brand True Religion as the uniform of the movement. The standard look involved baggy True Religion jeans, jean jackets, baseball shirts, and V-neck t-shirts.

This aesthetic was so influential that a decade later, Chief Keef officially collaborated with the brand to design a collection featuring flames, cartoon skulls, and bubble letters, solidifying the look's legacy. According to Keef, new generations of rappers continue to mimic this specific 2013 style of dress, wearing the same fits and jean jackets.

The visual aesthetic of Chicago Drill was influenced by videographers like A Zae and DGainz, who used YouTube to bypass traditional industry gatekeepers. These videos were often low-budget and filmed directly in the artists' neighborhoods, featuring large crowds of associates, firearms, and local landmarks, creating an aesthetic of "unfiltered reality" that contrasted with the polished visuals of mainstream hip-hop.

Chicago Drill production is characterized by a slow tempo, typically settling between 60 and 70 beats per minute (BPM). Producers like Young Chop and DJ L established a sound that uses heavy 808 drum machine beats, stripped-down composition, and "brooding menace".

Vocally, the genre is distinct for its "deadpan" delivery. Artists often rap in a monotone style that evokes an emotionally draining atmosphere, utilizing auto-tune not for melody, but to lend a cold and emotionless quality to the vocals. Lyrically, the genre eschews complex metaphors for blunt realism, often described as "unemotional reportage" of street life.