Mixing & Mastering Engineers, Producers & Songwriters who worked with San Andresito - The Movie
My name is Juan Sierra and I'm a Recording and Mixing engineer from Bogotá, Colombia. I have a BA in Music with Audio Engineering emphasis from Xavierian University and an MA of Music, Science and Technology from Stanford University. I also do audio software Development so I build unique plugins for my own Mixes.
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CREATIVE & Computer-assisted audio production
I'm an expert audio engineer serving hip hop and pop artists. I will not stop until I get the perfect mix for your song.
One-stop solution to all your academic problems!
I will be happy to add my grain of sand to your project!! Estaré encantado de poner mi grano de arena a tu proyecto!!
Let's kick some ass!
Music Producer - Recording Engineer - Songwriter
Singer, songwriter and R&B/Pop music nerd with over a decade of experience. I grew up studying greats like Chris Brown, The-Dream, The Underdogs, Troy Taylor and more. A passionate worker that will ensure your record sounds incredible.
With over 7 years of experience in the Afrobeat scene, I bring a deep understanding of the genre's rhythm, energy, and cultural richness to every project. My signature style is all about delivering high-quality, hard-hitting drums that make your tracks stand out. Whether you're looking for full track production, beat mixing, or mastering, I'm here.
Recent Successes
"Thank you for the patience and professionalism you exhibited while mixing and mastering my songs...Juan is a great mix-master who put the time and effort in to please his clients...Give him a try, he is excellent..."
"No word to qualify Maestro Mike Makowsky, Your are just wonderful. Thank you so much for the Great Mix you did with you beat heart for me. GORGEOUS GORGEOUS BROTHER. I will back as soon as possible. GOD BLESS "
"Excellent studio for mixing and master, very personal follow-up with nice ideas and taste. By far my best sounding track."
"That’s a real chance to feel the spirit of fantastic rock sound, working with Eric. I told him to mix my song just as he liked and he did it as I’d wished. It was a kind of the next step in my vision of my own music. ..."
"Absolutely amazing singer, total pro, vocals recorded perfectly and quickly. Total gent too!"
"It was a pleasure to work with Mike. He took my song to another level! Thank you!"
"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..."
"This is top notch sound you can get on the planet, I'm working on my EP called 5012 and I had a song that had only one lead vocal with no single back-vocal nor adlibs with a strong beat but what Helik did to it is unr..."
"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..."
"very professional and prompt. the work was really well done."
"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 ..."
"I have no complaints with what I received from Diamond Groove Services. "












