London on Da Track, born London Holmes, is a prolific hip-hop producer and rapper from Atlanta, known for his collaborations with heavyweights like 2 Chainz, Young Thug, and Drake. His career took off at 16 with the rap crew Dem Guyz, leading to a vibrant production career that includes his first track with Young Thug, "Curtains", and his debut solo project, Who Would’ve Known, in 2017.