Yell like you mean it
I've noticed a terrible affliction in some "extreme music" albums I've been listening to lately. It's about yelling/growling. Put in a nutshell, I've noticed plenty of vocal passages, in plenty of songs, where the expression used is way bigger than the actual sentiment it is intending to convey. That, if I'm not wrong, would be a good definition of the word "affectation", which is always a sign of bad art. Of course things are always multifactorial, and I can detect this kind of flaw in a piece of music that is, still, crazy good in other areas, with great chops, instrumentation, general lyrics, etc. It's just a matter of listening it for what it is and not fooling yourself about it (in my case, those moments sound to me almost "cute", as you would feel in front of a kid struggling to tie his shoes: "aaaw... so big and they struggle to express emotion..." And if this sounds too condescending of me, let me add that I'm ...