Mantor

Mantor — stylized on Bandcamp as The Mantor — works out of Rio de Janeiro, the city whose metal pedigree runs from Dorsal Atlantica's early thrash-crossover assault through Sepultura's Cogumelo-era proximity and into the carioca underground that still feeds Brazilian thrash with a steady stream of bands less interested in slick production than in riff-first songwriting. Their 2019 single Mea Culpa, recorded at Orbit Studios by Heber Van Geburt with mix and master from Adair Daufembach, is a compact thrash statement that openly courts heavy-hitter collaborators: the recording features drumming from Dirk Verbeuren of Megadeth and Soilwork notoriety, a guest spot that signals both the band's ambition and the increasingly globalized nature of how Brazilian thrash bands now build records, pulling in international session players the same way Sao Paulo and Rio acts once pulled in producers from the Florida death-metal circuit. The Mantor's sonic DNA sits squarely inside the Bay Area lineage — palm-muted gallops, hooky chorus shouts, mid-paced grooves stacked under sharper-tempo bridges — without abandoning the Brazilian thrash habit of pushing the rhythm section harder than the scene's American forebears ever did. Released as a standalone single with tab editions made available for guitar and bass, Mea Culpa positions Mantor as a band oriented toward the working-musician corner of the thrash audience, a posture closer to Overkill or Testament than to the festival-headliner end of the genre. Within the carioca thrash scene of the late 2010s and early 2020s, where bands routinely orbit Sao Paulo's labels and venues for visibility, Mantor reads as a determinedly Rio-rooted project keeping the city's harder thrash lineage circulating.