To be honest, I haven't the faintest idea what sort of music it is either, but I can say that it was highly offensive to my ears. Perfect for unleashing on nuisances, though.

[Heavy metal is just not his thing.]

Ah, you have a good point there! I may have mentioned it at some point, I don't quite recall, but I intend to build a robot at some point. If I can successfully create that with this world's materials, I don't believe creating your missile device would be out of the realm of possibility.