It would be hard to find that correlation because you can’t get a base rate. I don’t think you can measure the distance, so you don’t know if it’s loud or close. Maybe there’s no correlation independent of the music taste of the neighborhood.
Lots of Spanish doesn’t surprise me. It’s a neighborhood that’s still largely Mexican, and Latin Pop is really big in the US in general.
[1] It's hard actually, but this language diversity data(https://www.sf.gov/data/san-francisco-language-diversity-dat...) says there are ~20k speakers and this district population breakdown (https://www.sfgov.org/ccsfgsa/current-san-francisco-supervis...) says there are ~67k residents
(1985) https://www.youtube.com/watch?v=96mZc82fYGc
(2018) https://www.youtube.com/watch?v=UOxkGD8qRB4
[what if, instead of having eighteenth century style parliament buildings with a bunch of old guys sitting at desks and speaking from time to time, we had political factions settle their disputes in-game on a battle royale level?]