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Vitali

Thanks to training with Mateusz I have mastered growling and throat singing without straining my throat. What is exceptionally helpful during joint exercises is the individual approach and a plan tailored to my voice and experience. I highly recommend it!

Leny Da Fam

I came to Mateusz hoping that I would be able to bring my fry scream to a higher level. With his help, I was able to achieve my goal and expand the range of possibilities. Everything I have learned allowed me to also develop other techniques and have more control over my voice and breathing!

Michał

Thanks to Mateusz from Sibila Extreme Vocal I was able to achieve and refine the vocals I've always dreamed of. Moreover, I understood the technical aspect of screaming and how to build it from scratch. Thanks to this, I continue to develop vocally and I also started to fulfill myself in my band!

Rune (Cruel Efficiency)

I'm so thankful for the sessions with Matt - he taught me a lot and I significantly increased my vocal skills (both singing and screaming with various techniques). After the sessions with Matt I am able to sing more colorfully and implement many different types of sound and techniques in my songs (low growls, high screams, pitched screams, distortion)!

Dominika

I am very satisfied with the lessons, I finally got to know my vocal range. I received a lot of useful information about extreme vocal techniques. I recommend Sibila

Vesper Locust (Dammnatorum, Necrosys)

Mat took me under his wing over a year ago. During this period, we managed to significantly raise skills in various types of extreme vocals. I've been in various bands for many years, but I've never had such a sense of control, awareness and power in my voice before. We're still working and will continue to work to make it even better. Mat is a 100% professional, which is not obvious in the context of musicians. In addition, he is able to adjust working methods and approach to various issues, and such flexibility and willingness to understand is sometimes necessary to achieve the desired effect. I recommend this company 200%!!!

Mateusz

I was a victim of the myth that you have to be born with the ability to sing with distortion and growl. Mateusz, in an unbelievably simple and effective way, taught me aggressive raspy singing and allowed me to enter the world of false chord. Lessons with Sibila additionally motivated me to explore more vocal techniques, and singing has become my new passion. I strongly recommend lessons with Mateusz to everyone who wants to learn how to scream, growl, and sing properly!

Miles

Mateusz is an absolute monster when it comes to vocal coaching. He is extremely well versed in all vocal ranges from singing to Fry! The first couple months our sessions were very difficult. I struggled to learn how to false chord scream and I sounded like the Cookie Monster. There were many times where I doubted myself and wasn’t sure if harsh vocals were for me but with his guidance I now feel insanely confident in my screaming abilities. He continues to help me unlock my voice in our weekly meetings. Every week I achieve a nastier sound. Thank you so much for everything. Mateusz, I couldn’t have done it without you!

Marcin (Khrognar)

Even if you previously learned to scream on your own, it is still worth going to Mat. That's how it was in my case. He helped me achieve greater awareness of what I'm doing, get better control of the vocals and their power, and we even discovered some new things in my voice. He presented me with an individual home workout plan and showed the right path of exercises and vocal hygiene. It is also worth emphasizing that he prepared me expressively for a very important event. Now I am able to sing several sets in a row without unnecessary force or tension leading to fatigue. I can fully recommend his services!

Dawid

I contacted Mateusz about 2 years ago when I became the vocalist in a death metal band. Rehearsals, instead of being a pleasure for me, were an ordeal due to the voice tiring quickly. Thanks to Mateusz, I learned how to work economically with my voice, he pointed out both the strengths of my vocals as well as elements that are worth improving (of course he helped me improve them). Mateusz also helped me (and still helps) discover my own voice, so I can find a sound that satisfies me. It's worth mentioning that we also practice clean vocals, which certainly has a beneficial effect on the overall musical development, even screaming. I will definitely continue learning from Mateusz and I always recommend him to newly met, aspiring vocalists.