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I always hated the terms "math metal" and "math rock." Most music is mathematical.
Yeah, I don't like that one, either. I'll use it before math metal, though.
I think stripped-down rock should be called "subtraction music."
Math Metal is an utterly pretentious term for bands who want to pass themselves off as being "Progressive" but really aren't do anything remotely progressive, or even interesting. I'm not surprised that it's bands like MudVayne and Meshuggah tossing around the term.
Well, it's metal labels. Why is Power Metal especially powerful?
Power metal, I believe, is a reference to the sheer amount of "power chords" that are played on the guitar.
Modern day Power Metal isn't very powerful at all. In fact, stuff like Rhapsody and Stratovarious are just downright cheery. Not to mention horrible.
Where did the name "industrial metal" come from? Do the musicians work in factories?
Industrial metal comes from the joining of metal with industrial music. The term industrial comes from bands in the early 80's who were using synths & power tools to create a modern wall of noise. There were a bunch from Germany.
As much as everyone may not like the tagging of different metal genres, given the broad span of all that is metal, you almost have to to know what kind of band it is that youre dealing with.
"Sure Ill go to a metal show"
"Deicide! I thought we were going to see Poison"
"Expand my brain learning juice"-- Homer Simpson
There are, like more than a dozen metal genres. Sure we need the tags. Then again, a band like Strapping Young Lad I'd call "Extreme" since it mixes stuff from Industrial, Grindcore and Thrash.