Mixing & Mastering Engineers, Producers & Songwriters who worked with Krizn
I’m a music producer and mixing/mastering engineer specializing in Hip-Hop, R&B, Trap, and Lo-Fi — turning raw ideas into industry-ready records with clarity, punch, and vibe.
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Jake McCormack is a music producer, mixing engineer and sound designer from Birmingham, currently working and living in London. Jake works regularly for Soho Sonic Studios and from his home studio in North London. Some of his previous and current clients include Mr Eazi, Cineworld Cinemas, EMI, Sledgehammer Games, Jacqui Siu, as well as others.
I'm an experienced mix engineer and producer based in the UK. I've worked with a diverse artists including Madonna, Seal, Lamb and Rufus Wainwright, successfully working across genres on many critically acclaimed albums. My projects have received a Grammy nominations, won a Brit award and a Mercury Music Prize nomination.
A qualified audio engineer and music producer, often referred to as a one-man skilled working professional.
I love my keyboards
Original, organic, electric and acoustic music. mswmusic.com
20+ years experience, Award nominated, commercial and independent credits. With work nominated for award that considered "Technical quality, voice quality", as eligibility for nomination, plus my experience and organic connection to the music, I guarantee you the result to make your music hit!
I’m a music producer and mixing/mastering engineer specializing in Hip-Hop, R&B, Trap, and Lo-Fi — turning raw ideas into industry-ready records with clarity, punch, and vibe.
As a Mastering Engineer and active musician for over 20 years, I treat your music with technical precision and artistic respect.
Recent Successes
"I've worked with several mix engineers but Sefi really stands out from the crowd and... will make your music better too!"
Massimiliano L."Mike is simply great! He easily understood every small detail we had in our vision for the song, made our sound solid and saved us from the infinite revisions nightmare by just getting it right with every step of the ..."
George G."This is the great job made by Sefi on my new song WALKING DEAD: https://www.youtube.com/watch?v=ojAWZdkO2bE You know what? I will have remix some of my previous songs too... he's so good!!! "
Massimiliano L."I was looking for a singer for one Pop track. I was impressed by Brad's demos and asked him if he could do the song. He sent me a demo with his first apporach. He was very fast doing the little changes I was asking f..."
Hadl"Just great! Great vocals, great communication, great timing, great understanding of all requests, great turnaround timing, great knowledge. Nothing else needed. Just perfect. Thank you so much, you made my track much ..."
Florin L."Quality work, honest, and gets the job done."
Dante"Great working with Klaas again. Very direct guy - will share exactly what he feels the project needs & gets you the best result."
Tom"Outstanding Producer/Artist. Very skilled and a great listener as well."
James M.
