Mixing & Mastering Engineers, Producers & Songwriters who worked with Gumma
Alpine Sessions has always had one major goal: to provide artists with the opportunity to record, produce, and share their unique vibes with listeners. Take a peek at the amazing artists we've worked with and ask yourself, are you ready to raise your frequency?
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My name is Greggory Coleman Ellis, I'm a Producer/Writer/Engineer based out of Los Angeles, I also have my own artist project that goes by the name 'Col3man' which has garnered millions of streams with songs reaching full rotation on Sirius XM channels BPM and Venus as well as being featured in an article on Billboard.
Owner of BLACKMILL STUDIO - Professional Mixing and Mastering Engineer - Music Production and Songwriting - Artistic Direction - Project Management - Data Analysis, Market Positioning and Release Strategies
Please let me be a part of your music !! I strive to provide guitar parts that make it sound better !!
International touring with his band Matija, various TV Appearances, millions of streams on spotify and award nominations make Matija Chlupacek your ideal final touch to a song. With experience, creativity and open communcation. Every genre is more than welcome, he can add vocals, guitars, flute, keys, bass and even help with songwriting or lyrics.
As a bassist and engineer, I have had the privilege to work with artists of countless genres and always seek to humbly and deftly raise a song to sound greater than the sum of its parts.
I'm a songwriter with a philosophical and introspective approach to art. In my songs, I express my way of being and my perception of love, existence, and the dynamics of our society. Everything I write is deeply heartfelt and authentic; every word is thoughtfully crafted and every note is designed to excite, to communicate what I feel.
I create modern, high-quality productions across Pop and Electronic music, including Dance, Deep House, Slap House, and darker experimental styles like Underground and Alternative Rap, Witch House. Open to any genre — if you have a vision, I can shape it into a finished record
7+ years as a musician, 3+ years specializing in mixing & mastering. I deliver release-ready sound for rock, metal, electronic, hip-hop. My process: fast turnaround, strict deadlines, 2 free revisions. Quality improves daily. Send your multitracks + reference track. Let's make your track competitive.
Recent Successes
"Excellent work again. Marc is very responsive to communication and gets the sound you're looking for. Look forward to more work with him."
"Samuel puts his heart into every song. Carefully, methodically and masterfully, he approaches every aspect until he achieves perfection!"
"Everything was great! Thanks to Mr. Leeds for the sharp work! He was very attentive and did exactly what I needed! I'm working in music production for twelve years and never worked with some one abroad and that exp..."
"Dani is a true professional the music and melody she composed for my lyrics were absolutely perfect. I plan to work with her again in the near future."
"Aubrey is very knowledgable and professional. "
"Does a great, beautiful, and professional job."
"Matt is superb. He is super professional and prompt with his delivery! :)"
"Doug was awesome throughout this process. Super responsive and communicative and the mix was absolutely stellar! Will absolutely be working with him again very soon. Couldn't be happier!"
"Idan = an incredibly talented, good person. It was so wonderful working with him! I came to his studio for three days & I'm so happy with what came out of it. He listens, is unpretentious (super important, in my book)..."
"Austin was great! He delivers in a timely manner. He's always listening and is ready to make adjustments when needed."
"Charlene has done it again ! Spot on awesome vocals. Thank you so much !!!"












