powermetal

The second might be figures of speech, but not the first definitely isn't. Again I had cited the second as an example of ego worship not of murder/rape. Its not like I am saying its bad/good that power metal bands lyrics are of this nature but that's how it is.

Examples:

"Deathrider" (Omen)

Death rider, you've taken the earth by storm

Death rider, out of sin and hatred you were born

Ride against the wind, shameless killer in the night

Rape another village, before the break of light

Trample down the ashes, grind them with your hate

Take another helpless life, before it's too late

"Harder than Steel" (Jag Panzer)

You put their heads on the grinding wheel

Give 'em hell 'cause you're harder than steel

Oh, you're harder than steel, yeah, ya feel

All for yourself and no one else

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Now of course you can say its just two examples, but it seems to be a decent representative of common themes in power metal lyrics. Obviously the best way to find out would be performing a similar data analysis as the article.

edit: These are both famous power metal bands, in case there was a feeling they were from any other genre:

https://rateyourmusic.com/release/album/omen/battle-cry/

https://rateyourmusic.com/release/album/jag-panzer/ample-des...

If you want that, ideally you should spin up a new band name for a project thats too different in style from a band whose style you have already established. Its not that people resist change, thats how thrash metal bands changed into death metal slowly and the invention of death metal is highly celebrated. But it was a slow and organic change. Typically bands that have some sense about this tend to spin up a different name if they want to play something totally different from their existing band.

Trad revival is a big thing these days. But I think there is something subtle about even older power metal that sometimes makes it a bit different from something you'd class as "plain" speed metal. Its a bit hard to put in words precisely. But that is why I love the genre so much. I am not so much into pure speed metal or thrash metal.

Power metal is either brazen ego worship and/or or similarly (to death metal) talking of topics like mass murders and rapes. Though unlike the more neutral/clinical approach of death metal, power metal lyrics usually come from an angle of glorifying these things.

edit: I am merely relaying the common lyrical subjects of the genre. I made no judgment whether its a good or bad thing.

Its nothing to do with the USA. Older metal genres are in general quite niche today. Death metal and black metal is ubiquitous everywhere. Power metal and speed metal are relatively obscure these days.

European/german power metal bands tend to be more speed metal based. American power metal retained closeness to heavy metal more. I would recommend him to try out bands like Helstar and Jag Panzer next.