Mixing & Mastering Engineers, Producers & Songwriters who worked with Costel Biju
Radio-ready mixing & mastering, with soul and precision. We turn great songs into unforgettable records — tailored sound, punchy dynamics, and clean detail. Unlimited revisions, flexible pricing, and real human ears behind every move. Whether you’re chasing chart hits or heartfelt indie gems, we’ll treat your track like a single. Let’s make it!
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As a young producer and engineer, with the credentials to back it up, I am acutely aware of what the industry trends are, and what record labels and radio stations are looking for in upcoming music. As a signed artist myself, I can help apply what I know to your sound.
Born and raised in Rio de Janeiro, Brazil, started his carrer as a DJ. A few time later was, already, deeply involved with music production e the beatmaking world. Behind courses, workshops, seminars and talks, developed his skills and criativity making his own compositions and collabing with other artists.
I'm self taught, I wear every hat in the studio from music producer, Mixing an mastering engineer. I dabble in all kinds of music. I won't charge you an arm an a leg my friend. Sh!!!!t I'll probably do it for free.
Producers with 8 years of experience making music in all EDM genres for various clients around the world. We are always delivering the best quality work in every step, creation process, arrangement, sound design, production, mixing and mastering.
Very skilled songwriter. New ideas for a new generation. I like tracks that make you feel stuff, so my songs are full of emotions. I can guarantee amazing results that you'll absolutely love.
UCLA Grad musician/songwriter
I have been writing, recording, producing, mixing and mastering my own songs and playing keyboards for over 50 years and I am looking to offer my skills to you.
Producer, Engineer, Mixer & Mastering With over 20 years experience working across genres with both emerging and multi-platinum artists
Recent Successes
"Austin really knows what he is doing. He was very patient and understood immediately the sound I was going for. He took the song to the next level and made it sound very professional. I would definitely work with him ..."
Federico G."It was a pleasure recording with Ohne Sorge Tonstudio. Steve is very nice, professional, punctual and an overall cool dude. A good work atmosphere and enthusiasm :). Would definitely do it again and wholeheartedly rec..."
REDSCALE"Jessie Wagner is : Amazing singer! Excelent work! Thanks Pedro B"
Pedro B."Hey!JD Estefan GOOOOD JOB! Thanks! Pedro B"
Pedro B."Anna's love and knowledge of music is equaled by her enthusiasm, skill and ability. I sent her a piano track I had played with very few specific details. She figured it out, revamped it, working with me to get it how ..."
Marc D.
