Sibila Extreme Vocal

Death/Black Metal&Clean Vocals

10 Reviews (10 Verified)
Sibila Extreme Vocal on SoundBetter

Hi, my name is Matt and I am a vocalist specialized in extreme vocals like death/ black metal scream and growl. Beside that I can do also clean and raspy rock/ metal vocals (around 4 octaves range)! In my work, I put a lot of emphasis on delivering the best vocals that meet the vision of the bands I work with, while using my own creativity as well

I do vocals for 10 years - mostly death and black metal screaming/ growling but beside extreme vocals, I can also sing "clean" or with distortion. Beside performing and recording vocals, I also write lyrics (in english and polish)!

I've recorded vocals for 5 studio albums (Vishurddha - death metal, Glädje - black metal, SoulCarrion - death metal, John Doe - metalcore, Imperial Sin - extreme metal) and other projects as well (Mardom, Cirque Du Mask, Axes And Wolfs, Athvarf just to name few - over 100 songs). I can deliver various types of vocals depending on your vision - from rock/ metal singing to death/ black metal screams and growls.

Beside my own vocal developement, since 2016 I also teach vocals, helping people around the world (Poland, USA, Brazil, India, Russia, China, UK, Italy) to get their desired extreme vocals techniques in healthy and effective way.

In 2017 I was hired as a vocal instructor by a Polish Theater in Poznań - the oldest active theater in Poland - to teach professional actors how to scream and growl without harming their voice.

I also run a You Tube channel - Sibila Extreme Vocal, where I am sharing proven methods for learning, improving and mastering extreme vocal techniques:

In 2019 I have created my own extreme vocals course on (Ultimate Extreme Vocals Course).

Would love to hear from you. Click the contact button above to get in touch.


  • English
  • German
  • Polish

10 Reviews - 2 Repeat Clients

Endorse Sibila Extreme Vocal
  1. Review by Cristian Lincu

    Mateusz always finds brilliant solutions to keep vocals interesting and bring the best out of the song he's working on. As a returning client, I definitely recommend Mateusz for doing high quality professional work.

  2. Review by Cristian Lincu

    A pleasure to work with, Matt knows exactly what is needed for your project and delivers high quality work with professionalism.

  3. Review by Simon
    by Simon

    Working with Mateusz was great! He put thought and effort into his vocal lines. Good communication throughout. He really helped make a side project far better than I had aimed for!

  4. Review by Gidon Lev Eli

    Very dedicated and helpful! Sibila brought extra value and creativity for this part. Highly recommended.

  5. Review by Sonja
    by Sonja

    Very good and very fast, very good professional!
    I recommend!

  6. Review by Isabela M.

    Sibila is extremely professional and gave us exactly what we were looking for within our budget. I hope to work with him in the future. Highly recommended.

  7. Review by Jonny b.

    Good work👍 very professional.

  8. Review by Jonny b.

    Great work, a real pro vocalist👍👍👍

  9. Review by Jonny b.

    Great work, a real pro vocalist👍👍👍

  10. Review by Aeon E.

    Good quality of vocals and extreme different styles possible. Thanks for cooperation! I recommend the guy.

Interview with Sibila Extreme Vocal

  1. Q: What are you working on at the moment?

  2. A: Currently I am working on the new album of my band Vishurddha and creating a new vocal course!

  3. Q: What's your 'promise' to your clients?

  4. A: I will deliver the best possible vocals for your song/ songs!

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

  6. A: I like enriching the music of others with my vocals. Vocals are pretty important so I always do my best to add the value to the song with my voice. Beside that, working with bands representing various genres is both challenging and refreshing, it helps me to stay excited about what I do and to develop my skills.

  7. Q: What was your career path? How long have you been doing this?

  8. A: I have started to do vocals in 2012.

  9. Q: How would you describe your style?

  10. A: Diverse

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

  12. A: Mostly it's death, black or heavy metal.

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

  14. A: I try to expres emotions with my voice which can help the listener to immerse deeper in the music, the meaning of lyrics. I sing/ scream/ growl like the song was a part of me and want to honestly share it with the world. Beside emotions, as a vocal teacher, I am also aware of techniques that help to deliver the best quality vocals with much dynamics and variety.

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

  16. A: I start from listening to the song on and on, trying to feel into it's atmosphere as best as possible. I also read the lyrics doing my best to get the message of the song (if there are no lyrics, I make notes for writing them). Then usually I record a short demo to show my ideas for the vocals and depending on the feedback from the band, I improve something or if it's good enough, I go to a professional studio and record full version of the vocals. It's important for me to deliver the most satisfying vocals both for my clients and my self so I always do my best without any excuses!

  17. Q: Tell us about a project you worked on you are especially proud of and why. What was your role?

  18. A: I am proud of recording the first fully professional studio album with my band Vishurddha. Working with clients is always awesome experience but to record vocals with the own band is a "real thing"!

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

  20. A: Screaming, growling and making other "noises" does not require any technique or effort.

  21. Q: What's your strongest skill?

  22. A: Flexibility - I am able to create vocals for many different genres from black/ death metal to rock singing and grunge. I am also very opened for any ideas and instructions of my clients.

  23. Q: What other musicians or music production professionals inspire you?

  24. A: Chuck Schuldiner

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

  26. A: The most of the times I record vocals (clients often wants to fullfil their own vision of the sound, style etc.) to a backtrack I receive via email. First of all I record a demo to show my idea for vocals and if they like it, I go to the professional studio to record the song. If it is necessary, then I record another demo following further their instructions or if they wanted to improve/ change anything in lines etc.

Examples Of My Growls, Clean Singing And Screaming

I was the Singer in this production

Terms Of Service

I will deliver the best possible vocals to your song (I can also write the lyrics). If it's necessary I can record up to two revisions for free. Studio costs are already included in the price.

GenresSounds Like
  • Deicide
  • Cannibal Corpse
  • Death
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