WELCOME TO

GREGUS

PRODUCTIONS

AUDIO-VISUAL PRODUCTION TEAM

Group of creative individuals

Recording studio with a person working at a computer desk, surrounded by musical instruments, speakers, and soundproofing foam on the walls. A guitar and bass are visible, with curtains covering the window.

Based in Sagene Kunstsmie, Oslo, Gregus Productions is a creative collective focused on projects related to visual and audio forms.

We specialize in directing and producing content where sound and image work hand in hand — from music videos to visual campaigns.

Our core team includes a professional sound engineer and a dedicated video editor, with a growing network of collaborators across the creative field.

As of right now, we are working on a project of ours - Outsriders Podcast, with an aim of spreading recognition of unique individuals and their work. Besides that, we work individually on side projects, offering our expertise to you.

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Meet the Team


  • Founder

    The face of Gregus Productions, Sebastian is a music artist, producer, and entrepreneur. He manages the team and oversees the growth of the company, driving the creative vision and collaborative spirit behind the brand.

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  • Audio Engineer

    With four decades of expertise in audio recording, mixing, mastering, and sound design for film, theatre, and live music, Cato Langnes is a seasoned professional in the industry. He has contributed to over 100 album releases, leaving a significant mark on the world of sound engineering.

    Awards

    Cato's work has been recognized with prestigious accolades, including contributions to albums that won the Spellemannprisen (Norwegian Grammy):

    • Light by Håkon Thelin

    • Pretty Sound by Asimisimasa

    • Lush Laments for Lazy Mammal by Håkon Stene

    Collaborations 

    Cato has worked across diverse music genres, collaborating with notable artists, institutions, and festivals, including:

    • Artists & Composers: John Persen, Arne Nordheim, Poing, Håkon Thelin, Knut Våge, De Press, Kjøtt, Cecilie Ore, Gisle Kverndokk, James Clapperton,  Zoe Martlew and Ragnhild Berstad.

    • Institutions & Ensembles: Oslo Sinfonietta, Cikada, Ensemble Ernst, Den Norske Opera, and NOTAM.

    • Festivals: The Ultima Contemporary Festival and Huddersfield Contemporary Music Festival.

    Educator & Mentor

    Cato is passionate about sharing his knowledge and has taught sound production and related subjects at:

    • NOTAM (Norwegian Center for Technology in Music and the Arts)

    • Tbilisi State Conservatoire

    • Filmkunstskolen i Kabelvåg

    • Fartein Valen-Stiftelsen

    Musician

    Cato’s talents extend beyond the studio. He has played and released records with bands such as The Swamp Babies, Syv, Famlernde Forsøk, and The Revosolution.

    Notable Contributions

    Explore Cato’s impressive discography and the albums he has contributed to on Discogs.

    Contact Cato Langnes for unparalleled expertise in audio engineering, sound design, and music production.

    • Audio Mixing: Mastering sound across all genres with precision, ensuring your music is professionally balanced for any platform.

    • Audio Mastering: Perfect your tracks for any sound format—whether it's music, film, or multimedia. Cato works with all sources of sound, tailoring the mastering process to meet your specific needs.

    • Digitalization: Transform your physical recordings (vinyl, tapes, etc.) into pristine digital versions with professional-quality sound.

    • Audio Restoration: Revive and enhance old or damaged recordings, restoring them to their full potential—bringing life to aging tapes or poor-quality audio.

    • Studio Sessions: Need real-time support during recording or mixing? Cato can work alongside you in the studio to achieve your perfect sound.

    • Live Event Sound Engineering: With decades of experience, Cato ensures top-tier sound quality for live events—everything from setup to live mixing, tailored to your venue and audience.

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  • Creative Force

    Simon Dancaster—writer, poet, performer, artist, music video producer, actor, and vocalist. Simon is a creative powerhouse whose work spans multiple artistic disciplines and collaborations with some of the most influential names in music and performance art.

    Music & Lyrics

    Simon has crafted powerful lyrics for metal legend Abbath and iconic artists such as Mike Patton, Farmers Market/Stian Carstensen, and Immortal. As a vocalist, he leads two dynamic bands:

    • Bastard Son of Buddha: The Only Way To Fuck Is Up is available on all major streaming platforms.

    • The Revosolution: Their album Lesson Is More is also widely accessible.

    His music video work includes the acclaimed Tombstoned, recently featured in Ballade magazine, as well as videos for Abbath and the award-winning Hippocampus Serenade by Stian Carstensen.

    Acting & Voice Work

    Simon has starred in the feature-length film Entombed and lent his voice to projects by contemporary composer Balint Laczko and the Australian band Drugoth, creating unique voice characters and narrations.

    Spoken Word & Literature

    As the founder of the spoken word movement Skrik, Simon is known for his captivating "spoken weird" performances on stages worldwide. He is also an accomplished writer currently editing his novel The Irma Vep Chronicles and has completed the first of four tales in his Tales of the Dread Reaver series, which he narrates himself.

    Beyond the Arts

    Simon is a former teacher, lifelong martial artist, suspension enthusiast, artist of WART, and co-host of the Outstriders Podcast.

    Explore Simon's world, dive into his projects, and experience the unique energy he brings to every creative endeavor.

Our Services

We specialize in recording, mixing, and mastering, helping artists bring their creative visions to life with high-quality production. Our expertise also includes digitizing, restoring, and mastering old recordings, preserving your precious audio with clarity and precision.

For live events, we offer on-location services, including live sound engineering and live recording, ensuring your performances are captured and delivered with exceptional sound quality.

Let’s make your music sound its best – in the studio or on stage!

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