Mixing & Mastering Engineers, Producers & Songwriters who worked with Keisza
Worked and have affiliations with Warner/Chappell, Sony/ATV, Redbull Publishing, Rocnation, Pulse, Warner Music, Rocnation, Capitol Records, Disney Music Group and Sony Music. Worked with artist such as Jason Derulo, DJ Khalid, Kylie Minogue, Labrinth, MAGIC! Julie Michaels, Tommy Trash, JLS. Won the Internation Songwriting competition in 2017.
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Hi - I'm David. I'm a producer / writer / artist & engineer based out of Los Angeles making Pop, Indie Pop, RnB, Alt Rock, EDM & Singer-Songwriter. I've been an industry professional for 10+ years and have a catalogue of 500m+ streams. Recent Cuts / Notable work listed below!
I’m a writer and producer from south Florida. Worked and wrote for industry artist.
Hi, I'm Sergei, I'm a hip-hop, trap, rap, pop and rnb sound engineer. I am 26 years old, I am from Ukraine, I have been mixing and mastering for 9 years. During this time, I mixed over 3000 projects and worked with over 300 artists. If you are an artist and you need to mix your voice or beat beautifully, do not hesitate to contact me. I will be rea
🔥 artist/producer/engineer/songwriter & multi-instrumentalist 💿 working with artists of all levels & genres 📈 helping artists craft and develop their sound 💯 check out my client reviews / 10+ years experience
Producer, Writer, Rapper, Singer, Mixing Engineer; How Can I Help You?
Over 10 years experience Mastering Records and Albums from the Indies to the Majors.
Professional musician with extensive experience in live performances, commercial sessions, and studio recordings—let’s bring your project to life.
Composer, multi-instrumentalist, and producer with 12 years of experience. My passion is taking a song from any starting point, whether it's a voice memo or a recorded demo, and turning it into a radio-ready song with a truly unique sound. My goal is always for you to be completely satisfied with what we create together.
Recent Successes
"Thanks Robert, this was a easy and good collaboration."
"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."
"Reliable and "all in time making" person. Strongly recommend - Mix Master Mike."
"if you ask for a very professional, quick, with great ear and great quality, this guy fit for you"
"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!!! "
"Eric is great to work with. He is super prompt in responding to emails, and gets the work done quickly. He worked patiently with me to get the sound I wanted and until I was sastisfied with the outcome. He is a real p..."
"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..."
"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 fortunate to work with Andrew. We did a mixing shootout with many engineers, and his mix was one of the best among all the other mixes. He has a great sense of intuition and aesthetics, great feeling for so..."
"It was a pleasure to work with Mike. He took my song to another level! Thank you!"
"Andrew did an amazing job with my tracks. He helped me through the entire process, arranging, recording, mixing, mastering, and was excellent at each part. He is very knowledgeable and has great artistic talent and ..."
"Masters sound great, very professional work."












