Mixing & Mastering Engineers, Producers & Songwriters who worked with Appendix
I've been an audio engineer at live venues, recording/mixing studios, and sound design studios for the last 20 years, for local & international projects and artists. I have also composed and produced music for a wide range of purposes like advertisements & audio books.
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I'm Chris, an independent music composer with over 20 years experience. I help developers create unique, captivating games, most notably The Haunt which was a Top 10 selling game on Amazon.
I am Willi, i can bring your production to another level with my keyboard-work and production.
One half of Policrom, a professional sound studio from Mexico City. We do everything from mixing in stereo & 5.1 to ADR, scoring and music supervision for video production. Our work has been featured in channels like Nick Jr., TNT & Sony, festivals like Sundance and won prizes like the 2020 Kidscreen Award Best Digital Preschool Web Series.
Matt has performed over 1,200 live shows and written over 100 songs as a professional musician and singer with Columbus, Ohio based bands - some with local shows, others with international tours. Listen to "The Self-Depricants" on Spotify to hear albums Matt created from scratch as writer, performer, engineer, mixer, and masterer.
If you´re for some great percussion in your music I´m the perfect guy for the job. I have experience in recording multiple percussion instruments in arrangements of African, Afro-Latin, Afro-Caribbean, Afro-Brazilian and Latin American music, which I have applied to various musical productions as a sessionist and / or producer.
I have a unique skillset for sound design, programing synthesizers, producing music, manipulating audio, mixing, and mastering. I enjoy experimenting with textures to produce iconic sonic environments to add to tracks and support the unique story in each piece of music. Let me help your next project amaze your fanbase and expand your reach!
What if music was about wildlife? What would that sound like? What is their song?
Lyric comes first; sounds and vibe a close second. Equally at home with Bob Clearmountain-style stereo deluxe, as with kick-it-out-of-the-park, original-thinking art-rock. Sensitive music lover at the controls. Here to help.
Recent Successes
"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..."
"The care and thoughtfulness of Blush's work is evidenced by the passion in her performance. Her melodic choices, harmonies, ad libs and vocal arrangements are otherworldly. She is easily one of, if not THE most, talen..."
"I've worked with several mix engineers but Sefi really stands out from the crowd and... will make your music better too!"
"Out of all of the engineers, Wes was an OBVIOUS choice on the result of our single, "Control"!! My voice sounded crystal clear on every speaker we played!! (passed with flying colors) Even the samples we used in..."
"Amazing & Super talented .... extremely dedicated :) Thankyou so much "
"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. "
"Great work. Trustworthy fellow!!"
"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! "
"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."
"Repeat client.. Did a great job once again.. "
"Good team, good job."
"if you ask for a very professional, quick, with great ear and great quality, this guy fit for you"









