Mixing & Mastering Engineers, Producers & Songwriters who worked with graymatter
🎧 Mixing, mastering & sound design that blends natural warmth with modern polish. I’ve worked on 150+ songs, podcasts & films — delivering clear, dynamic, and Atmos-ready audio. Authentic Audio, Naturally Engineered. Let’s make your project sound alive.
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Music maker with technical training and several years of experience in music and film/TV industry. From location recording to re-recording, editing, mixing and remixing. Focused on quality underground music and thought provoking films.
I'm a music creator, producer, recording & mixing geek, songwriter, and marketing whiz. Most importantly, I'm here to transform your musical ideas into emotionally engaging products, that is a record that people will play over and over again.
Being a Dj for 18 years and a Producer for 10 years, Karl from Grooveboy Music has worked and remixed some great artists from the likes of Grammy Award winning Producers Maurice Joshua and Davidson Ospina.
Music Producer // Composer // Radio Producer // Style: DnB/Electronic/Hip Hop/Dub https://soundcloud.com/lef-3
Discretely housed down a quiet cobbled street, the studio was originally a large family home which was then turned into a 300 sq ft live room, and a comfortable 250 sq ft control room. Our strongpoints include the room’s warm acoustics and a fantastic Steinway “Baby” grand piano.
I am a producer, songwriter, artist and musician. I have a good ear for songs and can help with getting the right arrangements for tracks. I also engage other trusted friends when it comes to producing a song, because invariably music projects need managed properly to get the best results.
I'm a pop songwriter/topliner. My work has been featured on Netflix, BBC Radio, and MTV Europe. I specialize in playful, catchy, sing-a-long-able hooks with unique cadences. My latest singles have been released under a number of tastemaker labels such as ALT:Vision Records ( an imprint of Republic Records).
If you need intricate guitar riffs, in-your-face tones, or just someone to add a spark to your recordings/live show, I'm your girl. Let me help bring your project or live show to life.
Recent Successes
"The very best at what he does- super talented, works quickly, and knows exactly what you want and how you want it! "
Sarah Yamada"A great arrangement by Mike as always!! His expertise and passions to music gave us great help and we really learnt a lot from him!! It's our pleasure working with him on our album!! Looking forward to next song!!"
Han"Sefi has mixed my debut album consisting of 10 songs. I was actually over to Sefi at his studio outside London recording lead vocals earlier this year. He and his staff were very friendly and professional. They took u..."
Peter W."This guy is the greatest!! Finding the right person to deal with the mixing and mastering of your songs can be a tricky situation. This was easy. Alex is professional, patient and a pleasure to talk to. Not just was ..."
Max M."I've collaborated a few times with Danny now and his work is always of the highest standard. Multi-layered brass section that really works with what you have, and really adds to it too. Highly recommended. "
Bav"Another amazing collaboration with Summer! She is so talented, she will easily capture the vibe of the song and elevate it to a professional level. Recommended without any hesitation, she is the best! "
Tarek B."Absolutely killer mix/master as always. Went above and beyond to make this the best mix it can be. 100% satisfied and can't wait to work on future mixes with Ariel!!"
Dinny S."Krysta is amazing... I LOVE working with her. Shes quick with amazing quality each and every time! "
Eric R.