Metalcore

As of this writing, metalcore is the latest rage in underground metal in America. These bands combine straight hardcore singing with music often more aligned with thrash or melodic death (indeed, a lot of bands these days seem to be blurring the distinction between melodic death and metalcore).

36 Crazyfists	Conducting From The Grave	Prayer For Cleansing
A Perfect Murder	Darkest Hour	The Red Death
The Agonist	The Dillinger Escape Plan	Scars Of Tomorrow
The Agony Scene	God Forbid	Shadows Fall
All That Remains	Hatebreed	Sonic Syndicate
Arkaea	Himsa	The End
As I Lay Dying	Hurtlocker	Threat Signal
Avenged Sevenfold	Intronaut	Throwdown
Becoming The Archetype	Ion Dissonance	Trivium
Between The Buried And Me	Iwrestledabearonce	Underoath
Betzefer	Killswitch Engage	Unearth
Beyond The Sixth Seal	Merauder	Walls Of Jericho
Bleeding Through	Nothingface	Watch Them Die
Bloodsimple	One-Way Mirror	With Passion
Cannae	Ophydian	Yakuza
Cataract	Parkway Drive	Zao