Tenja in Dub & Blackout JA: Militant Dub Rebels

Tenja in Dub joins forces with Blackout JA for the powerful new single “System Killa”, dropping 20th March 2026 via Bristol label dUb from the Ruins. Rooted ﬁrmly in sound system tradition, this militant steppers dub cut delivers a heavyweight statement aimed directly at the heart of Babylon.

Tenja in Dub feat Blackout JA - System Killa

A driving, militant steppers riddim forms the backbone, over this sonic attack, Blackout JA delivers a vocal performance steeped in culture and urgency. His voice doesn’t sit politely in the mix; it cuts through it. Direct. Unﬁltered. Calling out corruption, control, and the tightening grip of corporate and political power structures.

Blackout JA’s raw vocal performance hits with urgency and authenticity, delivering conscious lyrics that challenge listeners while keeping the energy locked for the session.

With its unapologetic stance and authentic dub foundation, “System Killa” stands as both a protest anthem and a sound system weapon, a reminder that dub music remains a powerful voice for truth and resistance.

With System Killa, dUb from the ruins continues its post-apocalyptic narrative: in a collapsing world, the sound system serves as both a warning siren and a rallying point.

About dUb from the ruins

Steppas dUb reggae soundsystem music born on an apocalyptic doomsday, forged from a backlash to oppression and echoed through the rubble of torn buildings.

The voice of the revolutionary, the clash of wood, steel, stone, and concrete.

dUb from the ruins record label takes inspiration from the early founders of dub reggae and the modern digital ‘steppers’ dub style. A post-apocalyptic aesthetic influences the artwork. The high-intensity militant rhythms are built for sound systems. The vocal message reflects a world corrupted and heading toward ruin, and calls for stopping further destruction.

The sound system will survive after all other systems have shattered, emerging from the rubble as a call.

About Tenja in Dub

Tenja is a producer rooted in sound system culture, whose productions are shaped by years spent on the microphone as a vocalist and MC. Tenja brings a vocalist’s instinct for space, rhythm, and message into the studio, crafting heavyweight roots and steppers dUb riddims built for sound system pressure, clarity, and impact.

Born and raised in South Paris and now based in the UK, Tenja’s musical journey spans decades and disciplines, from early work in hip hop and ragga to vibing the stage alongside the talents of Manudigital, Dreadsquad, Dubmatix, The Freefall Collective, RSD, Radikal Guru, Countryman Sound, Sinai Sound, Roots Soup Sound, Bristol Dub Club, Rebel Lion, and Apex Hi-Fi, amongst many others. Adding to his accolades, Tenja was the lead singer of Dubheart, the renowned UK roots reggae band.

Alongside his studio work, Tenja maintains a close relationship with sound systems across the UK and Europe, regularly testing and refining his productions in live sessions.

Working under the production alias Tenja in Dub, his sound is defined by militant basslines, disciplined arrangements, and an instinctive understanding of how music moves through a sound system. Each production is built with the dance in mind, minimal, direct, and heavy using space, delay, and FX as tools of impact rather than decoration.

Tenja’s productions have gained support from respected sound systems including OBF, Sinai Sound, and Iration Steppas, cementing his reputation as a producer whose work translates powerfully in real sound system environments. His catalogue of releases under Tenja in Dub reflects a consistent focus on roots principles combined with modern steppers energy.

About Blackout JA

Blackout JA is a Jamaican-born reggae vocalist and songwriter whose voice carries the weight of roots tradition and the urgency of modern times. Raised in Jamaica and later building his path between the Caribbean and Europe, Blackout JA has developed a reputation as a conscious artist grounded in message, culture, and sound system reality.

Emerging from the grassroots of Jamaican reggae culture, he honed his craft through live performances, studio sessions, and collaborations across the Roots, Dub, and Dancehall spectrum.

His journey has seen him voice for a range of international producers and sound systems, delivering lyrics that confront corruption, spiritual decay, and systemic oppression while calling listeners back to awareness and strength.

Blackout JA’s vocal style blends classic roots delivery with contemporary steppers energy. His tone is commanding but equally effective over stripped-back dub versions as over driving, militant rhythms. This adaptability has led to collaborations with producers and sound systems across the UK and Europe, where his voice has become a regular presence in live dub sessions and festival appearances.

Whether performing on stage, voicing exclusive dubplates, or recording studio releases, Blackout JA remains committed to reggae as a vehicle for truth. His work reflects lived experience addressing social injustice, identity, resilience, and spiritual consciousness without compromise.

As part of the dUb from the ruins movement, Blackout JA’s sound sits naturally within the label’s post-apocalyptic dub landscape, music built not just for entertainment, but for resistance. His voice does not drift over the riddim; it anchors it. It warns. It uplifts. It challenges.

In an age of distraction, Blackout JA delivers a signal through the noise.