Thrash metal (or simply thrash) is an Extreme metal subgenre of heavy metal music characterized by its overall aggression and fast tempo.Kahn-Harris, Keith, Extreme Metal: Music and Culture on the Edge, pp. 2–3, 9. Oxford: Berg, 2007, . The songs usually use fast percussive beats and low-register guitar riffs, overlaid with Shred guitar-style lead guitar work.
The genre emerged in the early 1980s as musicians began fusing the double bass drumming and complex guitar stylings of the new wave of British heavy metal (NWOBHM) with the speed and aggression of hardcore punk and speed metal and the technicality of progressive rock. Philosophically, thrash metal developed as a backlash against both the conservatism of the Reagan era and the much more moderate, Pop music-influenced, and widely accessible heavy metal subgenre of glam metal which also developed concurrently in the 1980s. Derived genres include crossover thrash, a fusion of thrash metal and hardcore punk.
The early thrash metal movement revolved around independent record labels, including Megaforce, Metal Blade, Combat Records, Roadrunner, and Noise Records, and the underground tape trading industry in both Europe and North America. The genre was commercially successful from approximately 1985 through 1991, bringing prominence to Metallica, Slayer, Megadeth, and Anthrax, all grouped together as the "Big Four" of U.S. thrash metal. Other bands, such as Overkill, Metal Church, Nuclear Assault, Flotsam and Jetsam, and Bay Area acts Exodus, Testament and Death Angel, never achieved the same level of success as the "Big Four" but had also developed a strong following in the metal community, through MTV's Headbangers Ball or otherwise. Some of the most popular international thrash metal bands from this era were Brazil's Sepultura, Canada's Voivod and Annihilator, Switzerland's Coroner, England's Onslaught, and the genre's German "Big Four": Kreator, Destruction, Sodom, and Tankard.
The thrash metal genre had declined in popularity by the mid-1990s, due to the commercial success of numerous genres such as alternative rock and grunge. In response, some bands had either disbanded or moved away from their thrash metal roots and more towards groove metal or alternative metal, and later nu metal. The genre has seen a resurgence in popularity since the 2000s, with the arrival of various bands such as Bonded by Blood, Evile, Hatchet, Havok, Lamb of God, Municipal Waste, and Warbringer, who have all been credited for leading the so-called "thrash metal revival" scene.
David Ellefson, the original bassist of Megadeth, described thrash metal as "a combination of the attitude from punk rock but the riffs and complexities of traditional metal." On the origins of thrash metal, Dan Lilker (bassist and co-founding member of Anthrax, S.O.D. and Nuclear Assault) recalls: "Thrash was just what they called 'faster hardcore,' because you literally thrashed around when you were either playing it or reacting to it. And thrash metal was born because it was influenced by thrash hardcore, and they just thought it was more metal, so they said, 'Okay, this is thrash metal.'"
The guitar riffs often use and emphasize the tritone and diminished intervals, instead of using conventional single-scale-based riffing. For example, the intro riff of Metallica's "Master of Puppets" (the title track of the namesake album) is a chromatic descent, followed by a chromatic ascent based on the tritone.
Speed, pacing, and time changes also define thrash metal. Thrash tends to have an accelerating feel which may be due in large part to its aggressive drumming style. For example, drummers often use two bass drums, or a double-bass pedal to create a relentless, driving beat. Cymbal stops/Cymbal choke are often used to transition from one riff to another or to precede an acceleration in tempo. Some common characteristics of the genre are fast guitar riffs with aggressive picking styles and fast guitar solos, and extensive use of two bass drums as opposed to the conventional use of only one, typical of most rock music.
To keep up with the other instruments, many bassists use a plectrum (pick). However, some prominent thrash metal bassists have used their fingers, most notably Frank Bello, Greg Christian, Steve Di Giorgio, Robert Trujillo, and Cliff Burton. Several bassists use a fuzz bass, an approach popularized by Burton and Motörhead's Lemmy. Lyrical themes in thrash metal include warfare, corruption, injustice, murder, suicide, isolation, alienation, addiction, and other maladies that afflict the individual and society. In addition, politics, particularly pessimism and dissatisfaction towards politics, are common themes among thrash metal bands. Humor and irony can occasionally be found (Anthrax for example), but they are limited, and are an exception rather than a rule.
Around 1984, the most dominant name for what is now defined as thrash metal was "power metal", a name which eventually evolved to refer to the separate power metal genre. Similarly, for much of the 1980s, the names "thrash metal" and "speed metal" were generally used synonymously. The separate speed metal genre was defined retrospectively in the 1990s, to refer to 1980s bands who bridged the gap between thrash metal and power metal.
Greg Prato of Ultimate Guitar notes, "Although the thrash movement seemed to have much more in common with punk than prog fashion-wise (leather jackets vs. capes), musically, there were certainly moments when thrash leaned more towards the progressive rock side of things." Canadian progressive rock band Rush, for example, has been cited a formative influence on the thrash metal movement. In a 2013 interview with Rolling Stone, Anthrax drummer Charlie Benante said: "When I was first learning to play drums, I would strap on my headphones, play along with Rush's and be transformed. I remember talking with Cliff Burton and Kirk Hammett back when we first met, and we all agreed how much of an influence Rush was on all of us."
The thrash metal genre is also strongly influenced by punk rock, drawing inspiration from sources ranging from traditional punk bands from the 1970s, including the New York Dolls, the Ramones, the Sex Pistols and the Dead Boys, to late 1970s/early 1980s hardcore punk bands Discharge,Knowles, Christopher. The Secret History of Rock 'n' Roll. Cleis Press, 2010 GBH, Black Flag, the Misfits, the Dead Kennedys, and Bad Brains. The Ramones' 1976 self-titled debut album in particular has been noted as a key influence on the genre, due to its sound, which introduced the three-chord thrash style of guitar. Void has been credited as one of the earliest examples of hardcore/heavy metal crossover, whose chaotic musical approach is often cited as particularly influential. Their 1982 split LP with fellow Washington band The Faith showed both bands exhibiting quick, fiery, high-speed punk rock. It has been argued that those recordings laid the foundation for early thrash metal, at least in terms of selected tempos, and that thrash is essentially hardcore punk with the technical proficiency missing from that genre. The crossover with hardcore punk has also been cited as important influence on thrash, especially the English hardcore punk band Discharge, whose "influence on heavy metal is incalculable and metal superstars such as Metallica, Anthrax, Machine Head, Sepultura, Soulfly, Prong and Arch Enemy have covered Discharge's songs in tribute." The eponymous debut albums by D.R.I. and Suicidal Tendencies, both released in 1983, have been credited for paving the way for thrashcore.
In Europe, the earliest band of the emerging thrash movement was Venom from Newcastle upon Tyne, formed in 1978. Their 1982 album Black Metal has been cited as a major influence on many subsequent genres and bands in the extreme metal world, such as Bathory, Hellhammer, Slayer, and Mayhem. The European scene was almost exclusively influenced by the most aggressive music Germany and England were producing at the time. British bands such as Tank and Raven, along with German bands Accept (whose 1982 song "Fast as a Shark" is often credited as one of the first-ever thrash/speed metal songs) and Living Death, motivated musicians from central Europe to start bands of their own, eventually producing groups such as Sodom, Kreator, and Destruction from Germany, as well as Switzerland's Celtic Frost (formed by two-thirds of Hellhammer), Coroner and Carrion (who later became Poltergeist) and Denmark's Artillery.
In 1981, Los Angeles band Leather Charm wrote a song entitled "Hit the Lights". Leather Charm soon disbanded and the band's primary songwriter, vocalist/rhythm guitarist James Hetfield, met drummer Lars Ulrich through a classified advertisement. Together, Hetfield and Ulrich formed Metallica, one of the "Big Four" thrash bands, with lead guitarist Dave Mustaine, who would later form Megadeth, another of the "Big Four" originators of thrash, and bassist Ron McGovney. McGovney would be replaced by Cliff Burton (formerly of Trauma), and Mustaine was later replaced by Kirk Hammett of the then-unsigned Exodus, and at Burton's insistence, the band relocated to the San Francisco Bay Area. Before Metallica had even settled on a definitive lineup, Metal Blade Records executive Brian Slagel asked Hetfield and Ulrich (credited as "Mettallica") to record "Hit the Lights" for the first edition of his Metal Massacre compilation in 1982. A re-recorded version of "Hit the Lights" would later open their first studio album, Kill 'Em All, released in July 1983. Kill 'Em All is widely regarded as the first thrash metal album, and one of the album's tracks "Whiplash" has been referred to as one of the first songs of the genre.
Another "Big Four" thrash band formed in Los Angeles in 1981, when guitarists Jeff Hanneman and Kerry King met while auditioning for the same band and subsequently decided to form a band of their own. Hanneman and King recruited vocalist/bassist Tom Araya and drummer Dave Lombardo, and Slayer was formed. Slayer was discovered by Metal Blade Records executive Brian Slagel; the band's live performance of Iron Maiden's "Phantom of the Opera" so impressed him that he promptly signed them to his label. In December 1983, five months after the release of Metallica's debut Kill 'Em All, Slayer released their debut album, Show No Mercy.
To the north, Canada produced influential thrash and speed metal bands such as Annihilator, Anvil, Exciter, Razor, Sacrifice, and Voivod.
Also during the mid-to-late 1980s, bands such as Suicidal Tendencies, D.R.I., S.O.D. (who featured three-fifths of Anthrax), and Corrosion of Conformity paved the way to what became known as crossover thrash, a fusion genre that lies on a continuum between heavy metal and hardcore punk, and is arguably faster and more aggressive than thrash metal.
Anthrax made its mainstream breakthrough in 1987 with the release of their gold-certified album Among the Living, which borrowed elements from their two previous releases, with fast guitar riffs and pounding drums. Shortly after the release of Among the Living, three Bay Area bands, Testament, Death Angel and Heathen, respectively released their debut albums The Legacy, The Ultra-Violence and Breaking the Silence. All of the "Big Four" of Teutonic thrash metal also released albums in 1987: Kreator's Terrible Certainty, Destruction's Release from Agony, Sodom's Persecution Mania and Tankard's Chemical Invasion; those albums cemented their reputations as top-tier German thrash metal bands.
In response to thrash metal's growing popularity during this period, several hardcore punk bands began changing their style to a more heavier direction, including Venice, Los Angeles act Suicidal Tendencies, who are often considered to be one of the "fathers of crossover thrash", and became more recognized as a thrash metal band in the late 1980s (thanks in large part to the presence of guitarists Rocky George and Mike Clark); the band would reach new heights of success with their first two major-label albums, How Will I Laugh Tomorrow When I Can't Even Smile Today (1988) and Controlled by Hatred/Feel Like Shit... Déjà Vu (1989). D.R.I.'s music took a similar direction with their last three albums of the 1980s, Crossover (1987), 4 of a Kind (1988), and Thrash Zone (1989). This trend was expanded by many bands that came from a punk background, including UK acts Discharge and The Exploited, Los Angeles bands Wasted Youth, Cryptic Slaughter, Excel, Beowülf and No Mercy, and New York hardcore acts Agnostic Front, Murphy's Law, the Cro-Mags, M.O.D. (fronted by former S.O.D. singer Billy Milano), the Crumbsuckers, Ludichrist, Leeway, and Prong.
From 1987 to 1989, Overkill released Taking Over, Under the Influence, and The Years of Decay, three albums considered their best. Each of the "Big Four" of thrash metal bands released albums in 1988: Slayer released South of Heaven, Megadeth released So Far, So Good... So What!, Anthrax released State of Euphoria while Metallica's ...And Justice for All spawned the band's first video and Top 40 hit, the World War I-themed song "One". That same year, Metallica joined Van Halen, Scorpions, Dokken and Kingdom Come on the two-month-long arena and stadium tour Monsters of Rock in North America. In the spring of 1989, Anthrax teamed up with Exodus and Helloween on a US arena tour sponsored by Headbangers Ball.
Sepultura's third album, Beneath the Remains (1989), earned them some mainstream appeal as it was released by Roadrunner Records. Testament's second and third albums, The New Order (1988) and Practice What You Preach (1989), nearly gained them the same level of popularity as the "Big Four", while Exodus' third album Fabulous Disaster (1989) garnered the band their first music video and one of their most recognized songs, the Moshing anthem "The Toxic Waltz". Vio-lence, Forbidden, and Sadus, three relative latecomers to the Bay Area thrash metal scene, released their debut albums Eternal Nightmare, Forbidden Evil, and Illusions, respectively, in 1988; the latter album demonstrated a sound that was primarily driven by the fretless bass of Steve Di Giorgio. Also in 1988, Blind Illusion released its only studio album for more than two decades, The Sane Asylum, which received some particular attention as it was produced by Kirk Hammett, and is also notable for featuring bassist Les Claypool and former Possessed guitarist Larry LaLonde; after its release, the two would later team up together in Claypool's then-upcoming band Primus.
Canadian thrashers Annihilator released their highly technical debut Alice in Hell in 1989, which was praised for its fast riffs and extended guitar solos. In Germany, Sodom released Agent Orange, and Kreator would release Extreme Aggression. Several highly acclaimed albums associated with the subgenre of technical thrash metal were also released in 1989, including Coroner's No More Color, Dark Angel's Leave Scars, Toxik's Think This, and Watchtower's Control and Resistance, which has been recognized and acknowledged as one of the cornerstones of jazz fusion and a major influence on the technical death metal genre, while Forced Entry's debut album Uncertain Future helped pioneer the late 1980s Seattle music scene.
Several albums, some of which had come to be known as technical thrash metal, were released in 1991, including Overkill's Horrorscope, Heathen's Victims of Deception, Dark Angel's Time Does Not Heal, Sepultura's Arise, Coroner's Mental Vortex, Prong's Prove You Wrong, Forced Entry's As Above, So Below and Wrathchild America's 3-D.
In 1991, Metallica released their eponymous fifth studio album, known as The Black Album. Produced by Bob Rock (who was then known for working with the likes of Mötley Crüe, Aerosmith, Bon Jovi and The Cult), the album marked a stylistic change in the band, eliminating much of the speed and longer song structures of the band's previous work, and instead focusing on more concise and heavier songs. The album was a change in Metallica's direction from the thrash metal style of the band's previous four studio albums towards a more contemporary heavy metal sound with original hard rock elements, but still had remnant characteristics of thrash metal.Adam Dubin, Metallica (James Hetfield, Lars Ulrich, Kirk Hammett, Jason Newsted), Bob Rock, Spinal Tap, A Year and a Half in the Life of Metallica: Part 1, VHS, Elektra Entertainment, 1992 Metallica would go on to become the band's best-selling album and began a wave of thrash metal bands releasing more garage-oriented albums, or else more experimental ones.
The remainder of the 1990s saw many thrash metal bands expand their sound by adding elements and influences from the groove metal genre, which was then popularized by Pantera, White Zombie and Machine Head. Anthrax, who had recently replaced Joey Belladonna with John Bush as their singer, began stepping away from their previously established thrash metal formula to a more accessible alternative/groove metal approach for the remainder of their 1990s output, starting with and including Sound of White Noise (1993). Sacred Reich, Overkill, Coroner, Prong, Testament, and Forbidden followed this trend with their respective albums Independent, I Hear Black, Grin, Cleansing, Low, and Distortion. Sepultura's 1993 album Chaos A.D. also marked the beginning of their transition away from death/thrash metal to groove metal which had influenced then-up-and-coming bands like Korn, who reciprocally became the inspiration behind the nu metal style of the band's next album Roots (1996). "Iggor Cavalera: Korn did influence Sepultura on Roots album but so did others" . Loudwire, 2016 Roots would influence a generation of bands from Linkin Park to Slipknot, which during the 1990s meant the replacement of death, thrash, and speed, by nu metal and metalcore as popular epicenters of the hardest metal scene. "Why Sepultura's 'Chaos A.D.' Is More Relevant Now Than Ever" , We Are The Pit, 2 September 2020
Staying away from this new commercial mainstream of groove metal, metalcore, and especially nu metal, the second wave of black metal emerged as an opposed underground music scene, initially in Norway. This crop of new bands differenced themselves from the "first wave" by totally distilling black metal from the combined origins with thrash metal, but they preserved from all these sub-genres the emphasis on atmosphere over rhythm. "10 of the Most Important Cultural Shifts in Metal" , Kerrang, 2 February 2020
As further extreme metal genres came to prominence in the 1990s (industrial metal, death metal, and black metal each finding their own fanbase), the heavy metal "family tree" soon found itself blending aesthetics and styles.Dunn, Sam (2005). Metal: A Headbanger's Journey . IMDB. For example, bands with all the musical traits of thrash metal began using death growls, a vocal style borrowed from death metal, while black metal bands often utilized the airy feel of synthesizers, popularized in industrial metal. Today the placing of bands within distinct sub-genres remains a source of contention for heavy metal fans, however, little debate resides over the fact that thrash metal is the sole proprietor of its respective spin-offs.
The resurgence of interest in the thrash metal genre during the early 2000s was widely attributed to the Thrash of the Titans festival, which was held in August 2001 as a co-benefit concert for Testament singer Chuck Billy and Death's Chuck Schuldiner, who were both battling cancer. The show is also notable for seeing several of Testament's Bay Area thrash metal contemporaries reunite, including Exodus, Death Angel, Vio-lence, Forbidden Evil, Sadus and Legacy (a precursor to Testament). Many thrash metal bands outside of the Bay Area would subsequently reunite, including Anthrax (twice with Joey Belladonna and briefly with John Bush), Dark Angel, Nuclear Assault, Sacred Reich, UK bands Onslaught, Sabbat, and Xentrix, and Canada's Sacrifice, renewing interest in previous decades.
The term "thrash-revivalists" has been applied to such bands as Lamb of God, Municipal Waste, Evile, Havok, Warbringer, Vektor, Bonded by Blood, Hatchet, and Power Trip. Evile's 2007 debut album Enter the Grave, produced by former Metallica producer and engineer Flemming Rasmussen, received considerable praise for its sound, which combined elements of the sounds of Slayer and the Bay Area scene (particularly Exodus and Testament).Kee, Chris. Enter the Grave review. Zero Tolerance. October 2007. Los Angeles-based bands Warbringer and Bonded by Blood took a similar approach on their respective debut albums, War Without End and Feed the Beast, both released in 2008. Perhaps the most commercially successful band from the 2000s and 2010s thrash metal revival movement is Lamb of God, who are also considered a key part of the new wave of American heavy metal movement, (2005, Director: Sam Dunn), Disc Two: "Metal Genealogy Chart" have received two gold-certified albums in the U.S., and have gone from playing small clubs to arenas and stadiums.
Notable bands returned to their roots with albums such as Kreator's Violent Revolution (2001), Metallica's Death Magnetic (2008), Megadeth's Endgame (2009), Slayer's World Painted Blood (2009), Exodus' (2010), Overkill's Ironbound (2010), Anthrax's Worship Music (2011), Testament's Dark Roots of Earth (2012), and Flotsam and Jetsam's Ugly Noise (2012). More recent bands of the genre, such as Havok and Legion of the Damned have turned their focus towards a more aggressive rendition of thrash metal, incorporating elements of melodic death metal.
With gorier subject matter, heavier down tuning of guitars, more consistent use of blast beats, and darker, atonal death growls, death metal was established in the mid-1980s. Black metal, also related to thrash metal, emerged at the same time, with many black metal bands taking influence from thrash metal bands such as Venom. Black metal continued deviating from thrash metal, often providing more orchestral overtones, open tremolo picking, Blast beat, shrieked or raspy vocals and Paganism or Occultism-based aesthetics to distinguish itself from thrash metal. Thrash metal would later combine with its spinoffs, thus giving rise to genres like blackened thrash metal and deathrash.
Groove metal takes the intensity and sonic qualities of thrash metal and plays them at mid-tempo, with most bands making only occasional forays into fast tempo, but since the early 1990s, it started to favor a more death metal-derived sound. Thrash metal with stronger punk elements is called crossover thrash. Its overall sound is more punk-influenced than traditional thrash metal but has more heavy metal elements than hardcore punk and thrashcore.
A fusion of thrash metal with shoegaze is called dream thrash. According to Emma Cownley of Metal Hammer, "Dream thrash combines the ethereal sounds of shoegaze with the distortion, blast beats and tremolo picking of thrash." One practitioner of this style is Astronoid.
According to Loudwire, technical thrash is a "far more complex" variant of thrash metal that emphasizes "progressive" songwriting. Watchtower are said to be pioneers of the style. Other practitioners of the style include Voivod and Coroner. Loudwire also stated that Metallica's ...And Justice for All and Megadeth's Rust in Peace represent albums performed in this style. It is considered by some to be a precursor to technical death metal. Coroner guitarist Tommy Vetterli himself took credit for "co-inventing the technical progressive thrash metal movement" in a 2026 interview with Metal Hammer.
Thrash metal emerged predominantly from a handful of regional scenes, each of which was generally distinguished by the unique characteristics of its bands.
Characteristics
Etymology
History
Roots (1970s–early 1980s)
Thrash metal in the 1980s
Birth and underground expansion (1980–1983)
Mainstream popularity (1984–1989)
First wave (1984–1986)
Second wave (1987–1989)
Thrash metal in the 1990s
Continued popularity (1990–1991)
Decline (1991–1999)
Revivals (2000–present)
Derivative forms
Regional scenes
See also
Bibliography
External links
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