Toumaï

Volto! is an American jazz-fusion jam band based in Los Angeles, best known as the side project of Tool drummer Danny Carey. Formed in the early 2000s from improvised sessions with guitarist John Ziegler and bassist Lance Morrison at a San Fernando Valley jazz club, the group spent nearly a decade as a live-only act before releasing its debut album Incitare (2013) on Fantasy Records. Their heady, genre-spinning instrumental sound bridges King Crimson, Liquid Tension Experiment, and 1970s fusion, foregrounding the improvisation that Carey has cited as his main motivation for the project.

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Los Angeles metal-jazz quartet fronted by trumpeter Dan Rosenboom and guitarist Jake Vossler, pairing lyrical, Miles-Davis-lineage trumpet against Vossler's distorted, noise-inflected guitar over double bass and drums. Their 2017 debut Reclamation (Tzadik) was tracked in 72 hours as a politically charged 'jazz protest record,' moving between free improvisation, heavy thrash riffing, and balladic passages.

Red Side Visible is a Cleveland/Akron, Ohio project built around multi-instrumentalist Tim Mirth, fusing odd-metered metal riffing with genuine free-jazz improvisation and alto saxophone. Press copy invokes Meshuggah, Mr. Bungle and Zappa as touchstones; the 2021 album 'A Break from Normality' collects material written and re-recorded across a decade since the project's 2010 debut 'Enter Entropy'.

Bay Area funk-metal vehicle formed in 1993 by Primus drummer Tim 'Herb' Alexander during a break from that band, pairing his drums (and eventually lead vocals) with Tom Butler's guitar and Ian Varriale's Chapman Stick/Warr guitar. Two albums, Blacktongue (1994) and Motivator (1999, Rinse-N-Repent Records), trade on the same proggy, slap-and-stick alt-metal chops Alexander brought to Primus. A minor node whose interest for the atlas is almost entirely its direct Primus lineage rather than any genre-scrambling ambition of its own.

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Peculate is the solo avant-garde/progressive metal project of American composer Ben Norton, self-releasing everything for free since 2012 under a self-styled 'Metal in Opposition' banner. Norton fuses djent and mathcore aggression with 12-tone technique, Zappa-esque jazz-fusion tangents and polished production, occasionally detouring into satirical protest-song territory (2015's viral 'This Sick Beat™'). It reads as a bedroom-scale answer to the Zorn/Zappa strand of metal-adjacent avant-composition.

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Venezuelan-born instrumental guitarist known for playing two self-designed 14- and 16-string guitars simultaneously, tapping both necks to emulate two guitarists at once. Signed to Prosthetic Records, his 2013 debut The Scenic Album is a trio recording with bassist Nathan Navarro and drummer Marco Minnemann, fusing progressive-metal technicality with jazz-fusion vocabulary and a tapping technique inspired by Venezuelan traditional ensemble music.

Coinmonster is a Pennsylvania/Ohio-border progressive-metal outfit (New Castle, PA, formed 1990) built around guitarist-vocalist Jon Reider's fusion chops — self-described 'avant-garde jazzcore' that threads Holdsworth/Herring-style jazz-rock guitar through off-kilter time signatures, with detours into banjo-and-brushes Americana on tracks like 'Wake Up Tilton.' Largely a private-press/regional act (The Schematic, 2000; Tilton Johnson, 2002) rather than a scene band, it's an outlier RYM-tagged avant-garde-metal entry with no documented ties to the wider atlas.

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Tear Light From Matter is a Massachusetts-based instrumental act pairing saxophone with a standard metal rhythm section, self-tagged on Bandcamp as experimental/jazz metal/fusion/prog metal. Their debut, "In Statu Nascendi" (released 25 January 2019, recorded and mixed by Jerry MacDonald at Odd Fellows Recording), sits alongside a further release, "Fœtal Præyers", in a small but pointed discography. The saxophone-led interplay places them in the lineage of jazz-inflected heavy bands rather than straightforward metal songwriting.

A short-lived 1990s Norwegian project that released two albums on Ironic Recordings — Sjelefred (1996) and Fun For All the Family (1997, produced by Helge Sten) — rooted more in punk and alternative metal than orthodox black or death metal, but stirring in jazz, 70s prog, dance and electronic influences via a rotating cast that included saxophone and trumpet players. Its genre-agnostic, eclectic approach later put it in the same critical orbit as Sleepytime Gorilla Museum and Primus.

Cartel Carnage is a French quintet of jazz-scene musicians (guitar, bass, trumpet, tenor sax, drums) fusing free jazz, heavy metal, pop and progressive rock into what reviewers called a 'musical UFO.' Their sound and stated influences — Naked City, Fantomas, Mr. Bungle, Zorn, Ornette Coleman, alongside Meshuggah and Slayer — place them squarely in genre-collision RIO/avant-prog territory, though no sourced personnel or label ties connect them to the existing atlas. Their sole full-length, Incorporated, was released in 2012 on Great Winds/Musea Records.

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