If you’re a Londoner, or even if you’re not, have you noticed the way a lot of young Londoners speak, particularly in places like Hackney or Lewisham or other inner-city areas? Have you ever thought about the kind of dialect that people like Dizzee Rascal, Stormzy or Big Shaq use in their music?
https://www.york.ac.uk/language/research/projects/mle/what-is-mle/