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God of Shamisen is a Santa Cruz, California band formed in late 2004 and led by Tsugaru-shamisen player Kevin Kmetz, billed as the world's first rock band to combine metal, funk, and progressive rock with the Tsugaru-shamisen, a fretless lute from Northern Japan. Its lineup features Kevin Kmetz (shamisen), Lee Smith (drums), Karl Schnaitter (guitar), and Mark Thornton (bass). The band shares members with experimental band Estradasphere: drummer Lee Smith moved to Santa Cruz in 2004 to join Estradasphere as their permanent drummer, and Kmetz also worked with the group. Their second album, Smoke Monster Attack (2010), was produced by Billy Anderson and Mark Thornton.

A one-and-done Dutch death metal act whose sole 1995 album smuggled new-age synths, tribal percussion, acoustic guitar and world-music/dark-ambient textures into a melodic death/thrash frame, drawing period comparisons to Cynic, Atheist, Pestilence's experimental era and fellow countrymen Phlebotomized. Vocals swing from clean, heavily-accented melodic passages and spoken narration to standard death growls, giving the record a genuinely confused, labyrinthine identity that matches its title. The band folded in 1999 having made no further recordings.

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Sepultura is a Brazilian metal band formed in Belo Horizonte in 1984 by brothers Max and Igor Cavalera, and the most internationally successful heavy metal act to emerge from Brazil. Their late-1980s records helped codify a raw strain of thrash and death metal before Chaos A.D. (1993) and Roots (1996) pivoted the band toward a percussive groove metal laced with Brazilian tribal rhythms and indigenous instrumentation. Max Cavalera's 1996 departure fractured the classic lineup, but guitarist Andreas Kisser and bassist Paulo Jr. carried the band forward with American vocalist Derrick Green from 1997 onward.

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Fabulae Dramatis is a Colombian-Belgian progressive/avant-garde metal act founded in 2011 in Antwerp, Belgium by singer Isabel Restrepo (Medellín, Colombia), Daniel Díaz, and a member known as Hamlet. The band weaves classical, acoustic and ethnic instrumentation — including sitar, harmonium and tambura — into a progressive-metal base, with Restrepo shifting between metal screams, operatic vocals, growls and South American vocal traditions. Their 2024 album "Violenta" and its single "Fábula Violenta" dramatize Restrepo's childhood during Medellín's drug-war years, complete with a self-directed concept music video.

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Die Apokalyptischen Reiter are a long-running Weimar, Germany act (formed 1995) whose sound resists easy categorization, fusing melodic death metal, folk metal, power/symphonic metal and Neue Deutsche Härte with punk energy and, in later albums, jazz and ambient touches. Their 2017 album 'Der Rote Reiter' was recorded and released entirely in German, marking a deliberate turn toward their home-language folk-metal identity. The band has toured internationally for three decades and remains active on Nuclear Blast/The End Records.

System of a Down are an Armenian-American alternative-metal band from Los Angeles, formed in 1994, whose sound welds thrash aggression to Armenian folk melodies, abrupt tempo shifts and Serj Tankian's operatic, politically charged vocals. Multi-platinum records like Toxicity (2001) and the Mezmerize/Hypnotize pair made them one of the era's biggest metal acts. In 2008 Tankian co-wrote and traded vocals with Mike Patton on 'Bird's Eye' for the Body of Lies soundtrack.

Einvera was a Los Angeles avant-garde extreme metal trio that released one EP, In Your Image (2011). The record blends grind, thrash, and black metal riffing with progressive structure, folk/bluegrass instrumentation (banjo, mandolin, pedal steel), and orchestral color (violin, cello, trumpet, flamenco guitar). Reviewers likened its genre-scrambling, 'fever dream' quality to Unexpect and Arcturus's La Masquerade Infernale era.

Nucleus Torn was a Swiss avant-folk/progressive-metal project founded in 1997 by multi-instrumentalist Fredy Schnyder, expanding into a chamber-metal ensemble with cello, violin, flute, and an array of folk instruments (hammered dulcimer, bouzouki, oud, bagpipes). Signed to Prophecy Productions from 2006, the band moved between folk-rock, 1970s progressive-rock homage, and extreme metal across a decade-plus discography, including a conceptual Nihil/Knell/Andromeda Awaiting trilogy. Active until 2015, the later lineup included Eluveitie's Anna Murphy.

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Soulfly is an American metal band formed in Phoenix, Arizona in 1997 by vocalist/guitarist Max Cavalera after he left Sepultura, the Brazilian band he had co-founded with his brother Igor in 1984. The group fuses groove, thrash and death metal with tribal, Brazilian and world-music elements, an outgrowth of the rhythmic experiments Cavalera began on Sepultura's Roots. Long anchored by the Cavalera family, the band has been a durable vehicle for Max's riff-driven, spiritually themed heavy metal across more than a dozen albums, from the nu-metal-adjacent self-titled debut (1998) through Chama (2025).

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Gire were a short-lived Hungarian death/thrash project from Makó, active 1995–2007, who released a single self-titled album (2007, reissued by Blood Music in 2015 and on cassette in 2024) built on programmed drums, layered ambient sound effects, and Hungarian folk instrumentation (Jew's harp, violin, tilinkó, kaval from guest players) over death-metal riffing. Keyboardist/programmer Tamás Kátai — who also wrote the album's lyrics and artwork — is the same musician behind long-running Hungarian avant-garde metal project Thy Catafalque.