Accommodation forms... Watch
I was put into a flat with a guy who played the saxophone, a girl who played sax and clarinet, and a girl who played piano, possibly because I said I like classical music. We got on OK, but not great. Most of the people in our flat came from similar backgrounds, but the similarities pretty much ended there between me and then.
"diamond smuggling into Europe"
Again it's just so they can house you with people with similar interests so them playing Drum n Bass at 4am wouldn't bother you so much as it would someone who put down "sleep and silent movies" as a hobby.