Overstatement of the year. I can think of 20 more things that had a bigger impact, like the invention of the guitar.That's
why the grunge movement of the early-mid 90s was the greatest
thing that had ever happened in music.
So what? It sounds good. What more could I ask for?Your little metal bands may be the most skilled musicians around.
They may be experts in theory and have more dexterity than
anybody from any other genre, but that doesn't mean they're
aritists; it doesn't mean they're any good at writing music or
lyrics, because they're not.