Excellent selection with almost full discographies in my personal collection of all of those bands.
Old Hypocrisy/Opeth/Darktranquillity (1998 or earlier), ATG, Dying Fetus, Carcass..my all time faves probably. Newest Dying Fetus album crushed.
https://www.youtube.com/v/LRiZ_Gy2mxg
Dont waste your time, embrace it
And then youll know yourself
The change in you is god**** electric