Mixing & Mastering Engineers, Producers & Songwriters who worked with Iona Swift
I am a great person to work with if you are just starting out. I am willing to work closely and diligently with each of my clients in order to achieve their individual vision.
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Jim Verschueren is an Executive Record Producer in the commercial Pop/Electronic Dance Music scene.
Over 1B+ Streams. I’m King Enjel—partnered with a powerhouse team of elite producers, writers, and artists across L.A., NY, ATL, and FL. We’ve helped shape major releases for Atlantic, Columbia, Interscope, Universal, even Disney.
Hi guys! I'm a music producer in Minnesota. I’m a publisher/writer for YG entertainment (Black Pink / Big Bang / iKON / Winner) and have 10+ years of experience in K-Pop. I also worked with a cosmetic brand in South Korea and released over 80+ tracks for them.
Punchy Sounds, lovely Chords, and a Deep Deep Bass
Hi! Kevin Ratterman here. Ive been producing, recording, mixing and mastering for 30 years with bands such as My Morning Jacket, Ray LaMontagne, Strand Of Oaks, Andrew Bird, Murder By Death, Emma Ruth Rundle, Heartless Bastards, White Reaper, Houndmouth and many more. I love mixing! I mix through my 1971 vintage API console and analog outboard/FX.
I have a battle-tested tenor singing voice that often draws comparisons to Patrick Stump and Brendan Urie. Multi-octave range, excellent power and control, and highly expressive.
I’m a mixing and mastering engineer, specializing in Pop, Rock, R&B, and Indie.
If you’re looking for authentic indie vocals, expressive songwriting, or immersive alternative production, you're in the right place. I craft every project with an obsessive attention to emotion, texture, and storytelling. My goal is always to elevate your vision whether you need intimate vocal takes, a full indie/alt production, or help shaping
Recent Successes
"I've worked with several mix engineers but Sefi really stands out from the crowd and... will make your music better too!"
"Jack Cole did a test master for me and it sounded beautiful, definetly and new client now and it the future. He does great work"
"Lukas did a great job mastering our 6 song EP. Great customer service and communication. He was very patient and responded to all the changes we needed. Thanks Lukas!!"
"Roneet is a warm person, very talented artist and a reliable professional. I feel lucky working with her on the translation of my lyrics because she did very good job and besides this, i earned a good friend."
"Alex Mixed & Mastered my debut E.P throughout the month of June. He was a pleasure to work with. Even when explaining my notes with sudo muso terms, you know 'a little more crunch here' type of thing, he understood. W..."
"Had Graham master the tracks for my album. He was super professional, had great communication and was prompt on delivering the mastered tracks. On top of all that his work was great, took all my tracks to the next lev..."
"Thanks Edo! Working with you this 1st time is sure professional quality. I appreciate you for the Oomph to my tick. Im glad I can rely on your quality."
"Prompt, professional, and patient. Sefi is pleasure to work with. He listens to the customer and delivers accordingly. Finally found the mastering engineer I've long searched for."
"I tried Leo on one song and he definitely came thru. I came back to him for the next song and once again he performed well. Most of all I like his people skills. It is easy to communicate with this man! "
"Leo works hard and he's patient. He never leaves you wondering what's going on with your project. He did a great job of interpreting what I, the artist, wanted in order to fulfill my vision for the sound of my song...."
"Natalie Major delivered recorded vocals, as promised, within the time frame that she said she would. Fantastic voice, excellent recording quality, and an extremely reasonable price. I'm looking forward to working with..."
"My project was relatively large and boasted over an hour of music. I set a reasonable budget and received well over 30 proposals from some of the best mixing engineers Sound Better has to offer. I reviewed a lot of wo..."












