Mentally Afflicted by Vio-Lence:

At times I'd love to feel the break of your spine
Your pain, my hand, and, my God, that would do me just fine
But intelligence tells me constrain, don't do that
Use your wit, make 'em pay, verbal attack
Your cowardice, your whimpering makes me sick
In your face, your ugliness, on it I could spit
Divine reprisal, I'm getting under your skin
Contemptuous me, I will always win
Cold
Hate
Feel the pain to which I relate my
Harsh
Hell
Satisfies, sanctifies me as well

Ahm....i think it would be
The Cry of Silence_Draconian

Ominous Grief- Reborn into the night, i mean really it is the signature song

Acid Bath's signature song is probably Bleed Me An Ocean...

Samael - Telepath

In The Shadow of Our Pale Companion by Agalloch definitely

Possibly Bleak by Opeth also

It may not be a metal song... but Six Pack by Black Flag