Sebastian Has

Metal Mixing and Mastering

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23 Reviews (22 Verified)
Sebastian Has on SoundBetter

Engineered and co-produced Behemoth's new album "Opvs Contra Natvram". My sound: organic, punchy and true. I'm a multi-instrumentalist with a great understanding of music. My goal is to reinforce the musicality of the track through various technical processes. The artist and their music always come first.

Mixing music is what I love and have been passionate about since I was a teenager.

I'm a Warsaw-based musician, music producer, mixing and mastering engineer. I have a bachelor of science degree in sound engineering and I’ve been doing audio postproduction professionally for the last 15 years. I’ve worked with bands (Behemoth, Obscure Sphinx) and clients (Coca-Cola, BMW, Orange, Carlsberg) recognized internationally.
Have mixed and mastered audio for CD, DVD, TV and radio broadcast, Internet and film (stereo, 5.1). Have done thousands of hours of editing, vocal comping, tuning, time alignment, drum replacement, ADR, sound-design, foley, recording, mixing and mastering.

I had the pleasure to engineer and co-produce a large part of Behemoth's album "I Loved You at Your Darkest". Since then I've been the band's trusted go-to studio engineer. Recently I engineered and co-produced Behemoth's new album "Opvs Contra Natvram".

I know that every project is different and I'm always open to adjust my rates to a specific budget or schedule scenario. I have discounts for entire albums, EPs and big projects. The same goes for editing. Just reach out and let's discuss the details of what you need. We'll always find a way to collaborate!

Click the 'Contact' above to get in touch. Looking forward to hearing from you.

Click the 'Contact' above to get in touch. Looking forward to hearing from you.

Credits

Discogs verified credits for Sebastian Has
  • Paranoid Mind
  • Behemoth (3)
  • Jaad
  • Obscure Sphinx
  • Behemoth (3)
  • Paranoid Mind
  • Sidus Atrum
  • Obscure Sphinx
  • The Nightshade
  • Infinitone
  • Obscure Sphinx
  • Behemoth (3)
  • Black River (2)
  • Paranoid Mind
  • Behemoth (3)
  • Behemoth (3)
  • Behemoth (3)
  • Behemoth (3)
  • Sidus Atrum
  • Obscure Sphinx
  • Behemoth (3)
  • Behemoth (3)
  • Phrenetix
  • The Nightshade
  • Infinitone
  • Behemoth (3)
  • Necromantia

23 Reviews - 5 Repeat Clients

Endorse Sebastian Has
  1. Review by Pedro N.
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    When Sebastian sent us a test mix we couldn't believe our hears. He nailed it 100%, even though we had only sent some vague notes. Suddenly, our low-budget recording sessions were sounding like a top metal act. He delivers what he promises, if you want an organic and punchy sound, look no further. Sebastian's work is worth every single dollar. Very professional and easy to communicate with, hope we have the chance to work with him again, our best decision so far

  2. Review by Jack T.
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    Perfect sound! So glad to have you support!

  3. Review by Corey
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    by Corey
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    I loved Seb's attention to detail! From the detailed work flow he layed out prior to starting work and all of the instructions with respect to the different masters, you could tell he put a lot of thought into the project!

  4. Review by Luka A.
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    It's been a great experience working with Sebastian on this project. The process was very efficient and enjoyable.

  5. Review by Ahmedshawly
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    Great as always! Seb knows what METAL music is!

  6. Review by Luka A.
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    Like last time, working with Sebastian on the rest of my album was a pleasure. He really brought the music to life in a way I didn't think was possible. And the songs were't a breeze either! What amazed me most was how smooth our communication was. Especially when it was time for revisions. Every request laid out was addressed. Even when we didn't see eye to eye he was sure to communicate his arguments and they greatly improved the songs. Fully recommend working with Sebastian!

  7. Review by Niko A.
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    Professional quality and fast service. Easy to work with.

  8. Review by Luka A.
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    Sebastian is a true professional, and his patience is otherworldly. He handled the first single of my project with great care, passion and respect. Really a pleasure to work with, and I can't wait to continue our endeavor. 10/10

  9. Review by Paulius S.
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    Sebastian is a real pro! I am very happy with the mastering job he did for this album!

  10. Review by Ahmedshawly
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    I've worked with Sebastian on a difficult track with many different layers and instruments, Sebastian managed to get it all done with ease! he is a master of his domain, highly recommended to deal with, fast, patient and understand what he is doing.

    Ahmed

  11. Review by Jack T.
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    Do you want the best work? There is no other way. You can only find Sebastian. He can give you the best mix.

  12. Review by Augustinas
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    It was a pleasure to work with Sebastian. He's quick and professional. Definetly would recommend.

  13. Review by Anthony A.
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    Sebastian is awesome! A technically oriented person with a great accommodating personality.

    He works on your track and advise what's the best approach to take in order to reach that high-calibre professional sound.

  14. Review by Paulius N.
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    Sebastian has been very patient, cooperative and easy to work. Every tweak and revision has been done according to the band's and mixing engineer's needs. Communication is very fast and, most importantly, the mastering results are great!

    Thank you Sebastian, it's been a pleasure to work with!

  15. Review by Paulius N.
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    Very satisfied with Sebastian's master! Fast communication, easy to work with and great results overall. Every correction/request has been done very well -totally recommended!

  16. Review by Devi Hisgen
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    Great guy, works really fast and accurate, has an eye for detail and does everything to deliver a perfect result. Would definatly work with him again!

  17. Review by Jack T.
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    Are you still mixing casually by yourself? Come find sebastain
    Professional and passionate to give you perfect work.

  18. Review by Niko A.
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    High quality job. Very easy to work with

  19. Review by Tom W
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    by Tom W
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    Excellent mixing and mastering work delivered “first time right”. I was really impressed how much style and character he gave to our sound. We will be working with Sebastian again for sure in the near future!

  20. Review by Jack T.
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    Sebastian is a great and professional mixing and mastering engineer.
    He doing so good, and has lots of patience can help me discuss and finish the job perfectly.
    Artists can trust him without hesitation.
    Feel so good and honor to have cooperation with him.
    Great mixing and mastering engineer.

Interview with Sebastian Has

  1. Q: Tell us about your studio setup.

  2. A: I work mainly in-the-box in Pro Tools / Cubase. Monitor through PMC IB1S-AIII and Adam A7 with a sub, plus a pair of NS10s. Usually rely on Fabfilter, Waves, Slate, Eventide and UAD. I use some analog outboard gear for stems and mix bus: Thermionic Culture Fat Bustard, SSL bus compressor, Looptrotter MONSTER COMPRESSOR.

  3. Q: What type of music do you usually work on?

  4. A: Metal, rock, electronic music, indie, pop.

  5. Q: What's your typical work process?

  6. A: I start with listening to a rough mix or a preview if I get one from the client. First, I try to get the idea what the song is about, what emotions it carries, what are the strong/weak points, the structure and the rough sound. I take notes and get to file maintenance stage, get them all properly named and checked for mono/stereo issues. Next I import the files to my DAW and set the session, check and align phases where needed, set the right gain stages. Only then I start listening to what's going on and usually doing big, bold moves to get the best possible mix within the first hour. This is the creation stage, carving the main sound. At this point I take a break to get a perspective. When I come back I get into details, first the core instrumental stuff, drum replacement if needed, surgical eq moves and so on, then the vocals, vocal effects and some basic automation I feel needs to be there right away. At this point I usually do some editing, but only the things that really bother me. When the mix is 80-90% ready I send it to the client to check if the direction is ok. Only then if we're good I get to the detailed editing, cleanup, time alignment and tuning. I tend to delay the editing stage to focus more on the mix and the creative side while the song is fresh to me. Lastly, I make tons of automation, especially for vocals, effects and subgroups. I usually finish the mix after 2-3 revisions.

  7. Q: Describe the most common type of work you do for your clients.

  8. A: Recently I've been mostly mixing and mastering music albums.

  9. Q: Analog or digital and why?

  10. A: Both have their pros and cons. Love digital for recall and editing capabilities, love analog for the magic.

  11. Q: What do you like most about your job?

  12. A: The moment I start a new mix and the moment the client is happy about the end result.

  13. Q: What questions do customers most commonly ask you? What's your answer?

  14. A: Can you fix the parts where I played/sang out of key/time? The answer is yes, to some degree. If you hit a note or a couple of them a little off, but the entire performance makes me feel something, then sure, no problem. If a part is lifeless and the majority of notes are off I suggest you record it again.

  15. Q: What's the biggest misconception about what you do?

  16. A: That the mix will fix everything that wasn't done properly in the writing/recording process. Especially that the mix fixes poorly arranged songs or performances with no vibe or feeling. The magic has to be there from the start and I'm here to help you augment it, get it to the next level.

  17. Q: What questions do you ask prospective clients?

  18. A: About their artistic and timbral vision, what they want to express emotionally. Sometimes with large sessions I ask about priorities, which instruments are key and which can go to the backgroud. I also ask about reference tracks.

  19. Q: Can you share one music production tip?

  20. A: Be true in what you do.

  21. Q: What do you bring to a song?

  22. A: A fresh, musical perspective, technical expertise, and sometimes some production assistance. It happens a lot that we get rid of some tracks that don't cut it or overcrowd the arrangement, or add stuff that wasn't there to bring out a section/moment of a song.

  23. Q: What's your strongest skill?

  24. A: Musicality, the ability to understand the tracks I get in terms of structure, arrangement, voicing, harmony, rhythm and the way all these attributes progress in the song. I play guitar, bass, keys, drum machines and sing, so there's also no risk that I'll focus on e.g., drums, because I'm a drummer. That enables me to contribute to the song not only technically, but also creatively. Apart from that - patience and communication.

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Behemoth - God=Dog (B-side Demo Version)

I was the Mixing and Mastering Engineer in this production

Terms Of Service

Mix and Mastering usually comes with two revisions, but will do additional revisions until the client is happy. Turnaround time is 3-5 business days after delivery of files.

GenresSounds Like
  • Behemoth
  • Gojira
  • TOOL
Gear Highlights
  • Adam Audio
  • PMC and Yamaha monitors
  • RME and Focusrite converters
  • Looptrotter MONSTER COMPRESSOR
  • Thermionic Culture Fat Bustard
  • 1176
  • LC EQP
  • Audient
  • Radial Engineering
  • Waves
  • Slate
  • Fabfilter
  • Eventide
  • UAD
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SoundBetter Deal

Discounts when we work on multiple songs, LPs