Some more info about the bands:

RAZORWIRE
http://www.razorwire.info - MP3: Dipole (sample) - Video: Dipole
UK - metal edged hardcore with rockin' influences - think of a blend from Downset, Stuck Mojo, Slayer and Channel Zero.

TEN-13
http://www.ten-13.com - MP3: Die for me
NL - blend of hardcore and metal with energy and melody a-plenty. Imagine a mix of Life of Agony, Hatebreed, Orgy and Breed 77 and you're close

HEAD HUNG LOW
http://www.headhunglow.com - MP3: Dead (the unnamed person)
UK - Brutal Energetic Uncompromising Hardcore metal - Sounding like Morbid Angel and Killswitch Engage in a concrete mixer