User blog comment:PlantyThePottedPlant/Random Topic Blogging III: Blog Harder/@comment-1518158-20150817235949/@comment-1647442-20150818050238

Well,

High School Musical is just that, a musical. Set at a high school.

And what do we call the songs from musicals?

Showtunes.

So, we can logically say that HSM2 is, in fact, a show.

Check mate, atheists.