Mixing & Mastering Engineers, Producers & Songwriters who worked with Guitarras Bros
I’m Roman from Norway and I mix with one thing in mind: the vibe. Pop, hip-hop, electronic — I listen for what the track is really feeling and amplify that feeling so it connects. No over-polishing, just amplifying what’s already there.
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I will record amazing pedal steel guitar tracks for your country or pop recordings.
Working with several famous rappers Mentoring new artists for finding their ways
Don’t give a f*ck about being famous - I just love to paste sh*t together that I cut up but I will try my damn hardest to make you happy about it.
I produce and record all my covers and songs from my home studio. Fifth year on school of music (EMPA). I have a good pronunciation in english.
You're an artist and your vision matters, no matter how much your imposter syndrome tells you otherwise. I mix & master for anxious artists who need someone to understand and resonate with their art.
Rock and Metal Mixing and Mastering
Japanese composer with 20+ years of experience, blending orchestral, ambient, and J-Pop influences—featured on Apple Music’s official playlists and ranked #3 on SubmitHub’s weekly global charts—delivering emotionally powerful music for film, TV, and games.
I create high-quality audio productions — from music recording and mixing to film sound and dialogue restoration — delivering clean, expressive sound that brings every project to life.
Recent Successes
"Eric was an absolute pleasure to work with! I had a quickly approaching deadline and he delivered faster than I ever could have imagined. I'm 100% happy with the work he did mastering my song, and will be returning to..."
"Thank you for the patience and professionalism you exhibited while mixing and mastering my songs...Juan is a great mix-master who put the time and effort in to please his clients...Give him a try, he is excellent..."
"Great guy, great producer, eager to get the job done and make his clients happy."
"I worked with Leo once. I admit the first task I gave him wasn't a small one. Especially with my budget. He did the job wonderfully. I went back to him for my album and the man did it again. He is persistent, pat..."
"I've worked with several mix engineers but Sefi really stands out from the crowd and... will make your music better too!"
"I have no complaints with what I received from Diamond Groove Services. "
"Matt is phenomenal. How a drummer this pristine with performances so exquisite can be so humble and easy to work... now that is a mystery for the ages. Eric Greedy said it above. Matt is simply as good as it gets. ..."
"I was very satisfied with Paul. He is very trustworthy. I will work with him again!"
"Really enjoyed working with Ollie! Readily available and very reliable in delivering what you need!"
"Repeat client.. Did a great job once again.. "
"Out of all of the engineers, Wes was an OBVIOUS choice on the result of our single, "Control"!! My voice sounded crystal clear on every speaker we played!! (passed with flying colors) Even the samples we used in..."
"Amazing mix engineer and co-producer. Simon was not afraid to share constructive criticism and really helped make the song the best it could be. He has many other musical services such as tracking and even had a sin..."












