Need suggestions

Vreid (black n' roll)
Xentrix (thrash)
Some royalty-free metal songs (examples: https://youtu.be/MUB5DV4cfd8, https://youtu.be/Fc7W0qFt79U, https://youtu.be/4DRT1auk6jE)

Thanks!

Extinction Level Event is a djent band that has only three bassists and a drummer. You might check them out.

Ooh

Oh, also

Kreator (thrash metal)
Dot-Dot-Dot (black metal)
Lindemann (NDH/industrial metal, Rammstein but heavier)
Sigh (avant-garde metal)
Boris (another avant-garde metal)

Plus:
https://youtu.be/Uhw8aEpwDEQ
https://youtu.be/QgRLLqYQh1Q

And for the final - look up 331Erock on YouTube

I’ve heard a little bit of Kreator and I like that, but awesome I’ll be sure to check the stuff out

Also:

Isis (post-metal)
Lordi (heavy metal/hard rock)
Drowning Pool (nu metal/alternative metal/hard rock)
Night Demon (new wave of traditional heavy metal)

I’ve heard drowning pool’s debut