Mixing & Mastering Engineers, Producers & Songwriters who worked with The Grand Duchy
I'm a composer/producer/mixer based in LA. I am highly collaborative and like making clients happy. There's an ocean of creative output and I like to make work that transcends mere "content" to something worth listening.
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GMP Mixing is run by George Marquez, a mixing and mastering engineer currently working in Philadelphia. George has worked in two Studio's located in the city learning tracking and mixing under different engineers. He is always dedicated in making your track into a record.
Liam O'Connor is a freelance audio engineer working from his own studio located in Limerick, Ireland. He has been working as a recording, mixing, and mastering engineer since 2010 while studying a degree in Music Technology and Production. In 2013 he graduated with distinction and continues to provide professional quality audio services.
Musician, songwriter, producer
I confer with producers, performers, in order to determine and achieve the desired sound for various projects I also Mix and edit voices, music, and taped sound effects.
Established artist from Toronto, I have written and worked with some of the biggest artists, producers and songwriters in the industry. I Have 3 records with Grammy nominated producers and performed on the main stage for Canadas most notable radio station. Connections to major YouTube promotion channels with over 12 million channel subscribers.
Professional clarinetist specializing in jazz, cinematic, and Latin styles. I record expressive, organic clarinet parts for songs, films, and media. From subtle textures to improvised lines and custom arrangements, I deliver clean, mix-ready tracks from my professional home studio.
Berlin-based remote mixing engineer delivering clean, powerful, release-ready mixes for hip-hop, R&B, and modern music with fast turnaround, reliable communication, and the clarity, punch, emotion, and professional polish every track needs.
Songwriter and creative visionary blending soulful storytelling, empowerment, and modern AI-assisted music creation. I create emotionally driven R&B, Hip-Hop, Gospel records centered on healing, confidence, and transformation, and I’m looking to collaborate with talented artists, producers, vocalists, and creatives worldwide.
Recent Successes
"I am very demanding of myself, I like a very well done, it takes a lot of discipline against me but also against people with whom I work. Working with Mike was a great experience. One of the things that I enjoyed a ..."
"Very Good Engineer, Professional, On-time and willing to go the extra mile !"
"After Eric I won't look for another engineer. His mixes are beautiful and flawless. Not only are his skills exceptional but he is professional, polite, and prompt. Eric is also very willing to offer suggestions and..."
"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..."
"It was a great pleasure working with Mr. Victorino. I am happy with the work that he did with two of my songs I highly recommend for all you song writers out there give this talented producer A call . You will be glad..."
"Great Artist!"
"François Michaud from Wild Horse Studio marvelously found the perfect sound for our music! Although our production has a variety of genders, he just managed to satisfy our needs by highlighting the particular features..."
"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..."
"What can I say about Mike? He takes his time. But he does it for a reason. He will work with you until you are absolutely happy with your mix/master. I would highly recommend this engineer to anyone. He will take..."
"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..."
"Good job.Lukas always present for any question or doubt. It was my first experience and I'm happy to work with him"
"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 ..."
