Drill music, also known as drill rap or simply drill, is a subgenre of hip-hop music that originated in Chicago in the early 2010s. It is sonically similar to the trap music subgenre and lyrically similar to the gangsta rap subgenre. From Wikipedia
Nottinghamshire Police dismantled a 13-line county-lines network across four counties by tracing boasts in drill rap videos to a gang member’s mobile phone.
