Mixing & Mastering Engineers, Producers & Songwriters who worked with Therese Lefèbvre
I’m Sam Gracie Tillbrook, a London-based producer and engineer helping artists turn their projects into professional hits. Creating music since 2017, I have amassed over two million streams through my own releases and global collaborations, and release music as Sam Gracie (originally under Avid Beats).
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Well, most people know me from having some great moments on live TV as an artist, Vocalist on NBC's The Voice. I've had some amazing opportunities proceeding that such as having one of my own songs as HBO's fall seasonal trailer, songwriting and arranging credit on One Directions 'Made in the AM' and much more I've been fortunate enough to have.
I am a Producer, Songwriter, Sound Designer, and Mixing & Mastering Engineer who has worked on records for Circus Records, Dim Mak, Artist Intelligence Agency. I have remixed tracks from artists like Dua Lipa, Morgan Page, Dr. Meaker, MAX, and Twenty One Pilots.
I am a multi genre music producer specializing in Electronic Dance Music, but can compose any type of music that you may need. I can mix and master your next track so that it is ready for commercial release.
Hey! I’m a student at SAE Expressions college majoring in sound engineering.
I will mix and master your music to sound like a pro
I'll be your producer / co-producer on EDM , House , Melodic Techno/House and many genres
I transfer feeling into sound. If you want to bring out the best in your music, I can do that for you! I produce and mix my own music, and the music of others. If you have a vision that you just cannot translate into music, or even if you just need the song touched up via mixing and mastering, I have you covered. Feel free to reach out!
if your mix feels muddy or isn’t hitting the way you want, I can help you figure out exactly why. I specialize in breaking down mixes and identifying what’s causing issues like low-end buildup, buried vocals, or lack of punch—especially in heavier or dense tracks. I’ll listen through your song and give you clear, actionable feedback you can apply
Recent Successes
"very professional and prompt. the work was really well done."
"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. ..."
"Great experience. Mike took a complex song I gave him with some limited vocal performances on my part and made the song shine. He has a very good ear, a love for music, good beside manner and a very strong technical..."
"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..."
"Totally satisfied working with Alexander...very profesional creative individual...."
"Emily was awesome to work with! Delivered great vocals and was open to changes when needed! "
"I got a great mix from David. He knows how to make your song have a great sound and quality. You should try his services, you won't regret. "
"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..."
"Thank you Denis.The tracks sound excellent.Looking forward to work on more projects."
"Reliable and "all in time making" person. Strongly recommend - Mix Master Mike."
"fast & TOP Quality ...great intuition.!!! "
"I worked with François Michaud at Wild Horse Studio and i liked a lot. I needed a woman singer for one song. He attended me fast, arranged the professional and recorded with high quality. I recommend! "












