Coroner

From their early stints hauling gear for the experimental Swiss metal outfit Celtic Frost, the musicians who would form Coroner established an uncommon path through the European thrash circuit. Initially viewed as standard practitioners of the style, the group’s exceptional instrumental skill and growing compositional intricacy—leaning toward progressive-rock structures—earned widespread critical regard, prompting some observers to dub them the Rush of thrash metal. Across six albums released over eight years, the trio persistently pushed against the stylistic constraints of the genre, though commercial recognition remained modest. Their willingness to experiment nevertheless helped the recordings maintain relevance long after many more commercially successful contemporaries had faded.

Guitarist Tommy T. Baron, born Thomas Vetterli, and drummer Marquis Marky, whose given name is Marky Edelmann, logged multiple tours supporting Celtic Frost before uniting with bassist and vocalist Ron Royce to launch Coroner in 1985. Tom Warrior, the frontman of Frost, contributed vocals to the band’s Death Cult demo tape. After signing with Germany’s Noise Records, the lineup issued its first album, R.I.P., in 1987 and followed it the next year with Punishment for Decadence, notable for an unexpected rendition of Jimi Hendrix’s “Purple Haze.” The 1989 release No More Color marked a decisive transition, initiating the band’s most acclaimed period through refined artwork, more measured and precise rhythmic and riff-based approaches that showcased technical mastery, and thematic explorations that moved beyond conventional thrash boundaries.

That expansive approach reached its peak on the 1991 album Mental Vortex, which incorporated a radically reworked interpretation of the Beatles’ “I Want You (She's So Heavy).” Produced by Tom Morris, the record prompted expectations that Coroner might reach a broader listenership, yet shifting tastes—particularly the rise of alternative rock—and the group’s forward-leaning sensibilities prevented wider breakthrough. Undeterred, the musicians delivered an even more unconventional statement with 1993’s Grin, stripping away much of their earlier thrash aggression in favor of dynamic contrasts and unsettling atmospheres. The departure proved divisive among longtime supporters, some labeling the album a betrayal of the band’s roots while others hailed it as its finest achievement. Internal strains ultimately led Coroner to disband shortly afterward.

Noise Records nevertheless assembled the 1995 compilation Coroner, drawing together unreleased material, new recordings, and earlier tracks; the project required session drummer Peter Haas after Edelmann declined participation. Vetterli subsequently formed the short-lived Clockwork before joining Kreator for a single album, while Edelmann took the drum chair in Tom Warrior’s Apollyon Sun.

In 2011, Vetterli, Ron Broder, and Marky Edelmann resumed live performances as Coroner without plans for fresh recordings. Edelmann departed two years later, with Diego Rapacchietti assuming the drum position. A worldwide licensing agreement with Sony Music Switzerland and Century Media was announced in 2016, coinciding with the release of the expansive box set Autopsy and the disclosure that a new studio album would arrive the following year.