Complex sentence: The instrumental to the song was produced by grime producer XTC, titled "Functions on the Low", originally released by grime collective Ruff Sqwad in 2004, it became one of the most well-known and popular grime instrumentals.
Split into simpler sentences: The instrumental to the song was produced by grime producer XTC. Titled "Functions on the Low" and originally released by grime collective Ruff Sqwad in 2004, it became one of the most well-known and popular grime instrumentals.