Some people think it means something about the military, and how they're only 18 year old kids with guns and killing people with guns, litterally bringing the term "Kids With Guns" To be used here.
I think it has something to do with the columbine and how they "Turned them Into monsters" and "Into fire" Literally meaning they are killing people around them like fire and acting insane thus "Turning us into monsters".
"It won't be long" Meaning Dylan and Eric Referring to "Judgement Day"
"It's all bizzare" Means they couldn't understand why they did it.
"Think of something to say no to" could apply to the term above
"Push it real" Could mean something about them pushing them to shoot up a loving school
And the steel drums refers them actually doing it, now take a review of what i tried to describe? what does it make you think?