The Acacia Strain is a four-piece metalcore band based out of Chicopee, Massachusetts, USA. The band is currently signed to Prosthetic Records. The band as a whole has been together since 2001 but has undergone many member changes. The band is known for their heavy downtuned guitars, irregular breakdowns, and groove patterns. They have three studio albums. "...And Life Is Very Long" (Devil's Head - 2002), "3750" (Prosthetic, Devil's Head - 2004), and "The Dead Walk" (Prosthetic - 2006) as well as a split seven-inch record with then Devil's Head lablemates Loyal To The Grave in which they cover the song "Seasons In The Abyss" which was originally recorded by the band Slayer. The band has worked with producer Adam Dutkiewicz (Killswitch Engage).
Source : http://en.wikipedia.org/wiki/The_Acacia_Strain