How to Isolate the Popularity of English Language Music on Spotify

English has long been the dominant language in pop music. But thanks to changes in technology, streaming its availability and the music industry, english has more competition all the time. Dolly setton is a data journalist for the economist. We trawl through the touh hundred tracts in the 70 countries that spotify is in right now. And we were trying to focus on the popularity both english language music and non english language music. How do you isolate the relative popularity of those two? That's what this study did.