Re: Pioneers of thrash?
>We didn't say that anywhere.
"...during the '80s, Metallica was among a clutch of influential bands that took the New Wave of British Heavy Metal sound, injected it with Motörhead and hardcore punk, and sped it up to a breakneck pace, creating "thrash metal" and..."
When you say 'creating' and immediately follow with a genre, it could be interpreted as creation of the genre rather than creating music within the genre.
And no, they didn't sell out after the black album. It was during the writing of the black album. "Thrash metal" does not allow a bloody ballad to show up in the track listing--see Slayer for details.