It was on my list because of the soundtrack, so when I didn’t hear the iconic track at all during the movie I looked it up.
Turns out that there is a re-scored version with a completely different soundtrack, and that was the version we got…
https://www.bbc.co.uk/programmes/b04p5k25
. Featuring an exclusive new soundtrack curated by Zane Lowe.
I will be watching this movie again next weekend, with the proper soundtrack
Or if you happen to understand the language in question too (not quite relevant to District 9, but for human languages).