User blog comment:BenRG/Volume 2 Trailer/@comment-11188061-20140705061507/@comment-10390252-20140705203016

@Zolnir,

The 'prom' is most likely the official ball associated with the Vytal Festival (Weiss said there'd be dances, if you recall).

I can also confidently say that the chances of a combat academy having a glee club to be something less than zero.