OneFour is an Australian drill music group from Mount Druitt, a suburb in Sydney. Formed in 2018, the group consists of members Jemmy, Spenny, Celly, and Lisi. They gained popularity for their unique sound that blends elements of hip-hop and drill, often reflecting their experiences and environment. The group is known for their impactful lyrics and energetic performances. Their debut single, "The Message," quickly garnered attention, leading to a growing fanbase. OneFour has been influential in bringing Australian drill music to a wider audience, contributing to the genre's evolution in the country.