Mixing & Mastering Engineers, Producers & Songwriters who worked with The Rosies
Red Lines Audio has 23 years of experience mixing and mastering audio including jazz, reggae, electronic, rock, voice-overs, sound for film and more.
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Mixing Engineer and Producer Living in Los Angeles
I will do mixing, mastering or unique sound design for your tracks. Also work as music producer and beat maker in genres like hip-hop, lo-fi hip-hop, ambient, IDM, techno, minimal, synth wave
Wolvo has been creating songs for over a decade. Having worked and lived in Los Angeles. London, Germany and Amsterdam working in world class recording studios with labels such as Warner Music, Capitol Records, Disney Music Group. Kontor Records, Armada and Sony Music
Majur Deveaux has a classic melodic sound with a unique style reminiscent of Jhene Aiko, Doja Cat, and other soul and yet eccentric singer. Her songwriting captivates the mind and forces your ears to try to hear every word.
I'm Mark Hilk From United Kingdom.
London-based artist delivering rich lead & backing vocals, heartfelt songwriting & polished production- credits include Craig David, Bastille, Gregory Porter and Jordan Rakei.
I craft original, industry ready music from start to finish writing, producing, and engineering with a focus on quality and vibe. Whether it’s R&B, Afrobeats, Reggaeton, or Drill, I bring versatility, attention to detail, and a sound that connects. From lyrics and melodies to polished final mixes, I help artists bring their vision to life.
A songwriter and music producer with over 40 years in the music business.
Recent Successes
"Alex did a great job and delivered the project on time. It sounds great! I finally got the sound I was looking for such a long time. Work with him and you won't be sorry!"
"Meeting Chuck Sabo through Soundbetter is the best thing that happened to our music. The consummate professional: helpful, dependable, uncomplicated. A great drummer, but even if you don't need drums, hire him for his..."
"Totally satisfied working with Alexander...very profesional creative individual...."
"Robert Smith did a great job he mastered 10 songs mixed by 2 different people different levels I was very impressed with the results. He knows his stuff. "
"Music has to be mixed and mastered by a professional engineer. Sefi Carmel should be your engineer of choice, no matter what your genre is. He took extra good care of my song "When A Man Loves Another" Listen for y..."
"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..."
"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"
"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."
"Repeat client.. Did a great job once again.. "
"Tom is a very skilled engineer who delivers professional and creative work. He managed to complete work as per requirements in a very short time with excellent results. Great communication also. Highly recommended!"
"Lonny is an amazing guitarist. His musical skills and passion brought my song to a whole different dimension. Working with Lonny was easy, he understood what I was looking for and nailed It !!!!!!!!!! Lonny will be do..."
"Very professional, great top line writer and clean beautiful vocals. She delivers as promised and in excellent audio quality. I would definitely work with Natalie again. Thanks."












