Metallica is an American heavy metal band that formed in 1981 in Los Angeles. Founded when drummer Lars Ulrich posted an advertisement in a Los Angeles newspaper, Metallica's line-up has primarily consisted of Ulrich, rhythm guitarist and vocalist James Hetfield, and lead guitarist Kirk Hammett, while going through a number of bassists. Currently, the spot is held by Robert Trujillo.

Megadeth is an American heavy metal band led by founder, front man, guitarist, and songwriter Dave Mustaine. Formed in 1983 by Mustaine and bass player David Ellefson following Mustaine's departure from Metallica, the band has since released eleven studio albums, six live albums, two EPs, thirty singles, thirty-two music videos, and three compilations. As a pioneer of the American thrash metal movement, Megadeth rose to international fame in the 1980s, but experienced numerous line-up changes, due partly to the band's notorious substance abuse problems. From 1983-2002, Mustaine and Ellefson were the only continuous members of the band.

Moonspell is a Portuguese black metal/gothic metal band with death metal and doom metal elements. Moonspell was formed in 1989 as Morbid God. After renaming themselves Moonspell in 1992, they released their first EP Under the Moonspell in 1994, a year before of the release of their first album Wolfheart. The band quickly gained status and became one of the most recognizable metal bands from Portugal.
http://www.last.fm/music/Moonspell

In Flames is a Swedish melodic death metal band formed in Gothenburg, Sweden in 1990 and is considered to be a pioneer and major influence to the melodic death metal genre. Since the band's conception in 1990, they have received numerous awards and released nine studio albums and one live DVD. The band has enjoyed increased popularity in recent years, both in its native Sweden and internationally. To date the band has sold over 2 million records worldwide.

Neurosis formed in late 1985 in Oakland, CA, USA as a hardcore punk band and has since developed an experimental rock sound. The band was founded by ex-Violent Coercion members Scott Kelly (vocals, guitars) and Dave Edwardson (bass, backup vocals) along with Jason Roeder (drums), joined later by Steve Von Till (vocals, guitars), Noah Landis (organs, piano, sampling), and Josh Graham, who does the visuals for their live performances (previously done by Adam G. Kendall).
http://www.last.fm/music/Neurosis

Necrophagist is a technical death metal band from Germany, founded and fronted by guitarist/vocalist Muhammed Suiçmez. The band is known for their rapid and technical compositions, as well as classical influence. The name originates from the Greek root words "nekros" ("dead body")and "phagous" ("to eat, eater of").

Anathema was formed in 1990 as a doom metal band, initially under the name Pagan Angel. In November of that year, the band recorded their first demo, entitled An Iliad Of Woes. This demo caught the attention of several bands from the English metal scene, allowing Anathema to play gigs with bands like Bolt Thrower and Paradise Lost.
http://www.last.fm/music/Anathema

Beneath the Massacre is a hardcore-influenced brutal/technical death metal band from Montreal, Quebec, Canada. Their debut album, Evidence of Inequity, was released in 2005, under Galy Records. In early 2006, the band signed with Prosthetic Records and has since released their first full-length album, Mechanics of Dysfunction, on the label on February 20, 2007. They were on the 2007 Brutalitour alongside Animosity, As Blood Runs Black, and The Faceless. They also played the Summer Slaughter Tour with Decapitated, Necrophagist, As Blood Runs Black, The Faceless, Ion Dissonance, and Cephalic Carnage. They were on the 2007 Radio Rebellion Tour along with Job for a Cowboy, Behemoth, and Gojira.

Iron Maiden are a British heavy metal band led by founder, bassist and songwriter Steve Harris. Since forming in 1975 they have released fourteen studio albums, nine live albums, four EPs and eight compilations.
http://www.ironmaiden.com/

Job for a Cowboy is an American death metal band, formed in Glendale, Arizona in 2003. They released their first EP, Doom in 2005, and later that year signed with the Metal Blade label. Their follow-up album, Genesis, was released in 2007, peaking at #54 on the Billboard 200 and selling 13,000 copies in its first week. Job for a Cowboy started as a deathcore group, and evolved into a predominantly death metal sound with their full-length debut Genesis. Their influences include mostly extreme metal bands, such as Decapitated, Mastodon and Nile, as well as the rock groups Every Time I Die, Muse and the singer Björk. The band has played in several festivals, including Download, Sounds of the Underground and Wacken Open Air. The current band members are vocalist Jonny Davy, guitarists Al Glassman and Bobby Thompson, bassist Brent Riggs, and drummer Jon Rice.

Linkin Park is an American rock band from Agoura Hills, California. Since their formation in 1996, the band has sold more than 50 million albums[2] and won two Grammy Awards.[3][4] They achieved mainstream success with their debut album, Hybrid Theory, which was certified Diamond by the RIAA in 2005.[5] Their following studio album, Meteora, continued the band's success, topping the Billboard 200’s album charts in 2003, and was followed by extensive touring and charity work around the world
http://linkinpark.com/

Whitechapel was formed in February 2006 by Phil Bozeman, Brandon Cagle, and Ben Savage. They were soon joined by Alex Wade (formerly of Redwinterdying, like later Whitechapel guitarist Zach Householder), Gabe Crisp, and Derek Martin, and recorded their first demos in March of that year. They named themselves after the area of London known as Whitechapel, the location of the Jack the Ripper murders. In 2007 the band signed to Siege of Amida Records in the U.K. and Candlelight Records in North America, who jointly released their debut full-length with new drummer Kevin Lane, The Somatic Defilement, in June of that year. In October 2007, the group signed to Metal Blade, and released a new album in 2008, This Is Exile. The album reached #118 in the Billboard Top 200. In May 2008, they were on The Summer Slaughter Tour, and in August 2008, they began their first ever headlining tour with Impending Doom, A Different Breed of Killer, and Through the Eyes of the Dead.

Gojira is a death metal/progressive metal band formed in 1996 in Bayonne, France. The band was known as Godzilla until 2001. The band comprises Joe Duplantier on vocals and guitar, his brother Mario Duplantier on drums, Christian Andreu on guitar and Jean-Michel Labadie on bass. Since its formation, Gojira had no changes in lineup and has released four studio albums, one live album, and one DVD. The band is known for their environment-related lyrics.

Through the Eyes of the Dead is an American Death Metal band from Florence, South Carolina, which originally started as a deathcore band, and have moved on to a death metal style on their recent works.

Killswitch Engage (often abbreviated as KsE or Killswitch) is an American metalcore band from Westfield, Massachusetts. Formed following the disbandment of the bands Overcast and Aftershock in 1999, Killswitch Engage's lineup consists of vocalist Howard Jones, bassist Mike D'Antonio, guitarists Joel Stroetzel and Adam Dutkiewicz, and drummer Justin Foley. Signed to Roadrunner Records, Killswitch Engage has released four studio albums and one DVD.