Professional Online Mixing and Mastering Services That Deliver Results
Matty Harris has mixed and mastered for Billboard-charting artists, and now he’s here to help you get your music release-ready, fast. Mixing and Mastering ServicesThe Problem
You, an impassioned musician, producer or band who has poured your heart and soul into meticulously crafting a beautiful song, investing countless hours in every chord and lyric. Yet, despite your undeniable talent for making music, a persistent problem remains: The final mix sounds like a rough mix and never stands out. As an audio engineer, I guide recording artists through the mixing process to deliver a professional master that’s radio-ready, meets industry standards, and stands out on every platform.
Mixing and Mastering Services
How I Can Help
Online Mixing & Mastering
With 15+ years of experience in professional mixing and mastering, I help artists turn their music into release-ready tracks that stand shoulder to shoulder with today’s top hits. This isn’t just about loudness or clarity — it’s about creating a sound you can confidently share with the world. It’s why over 95% of my clients come back — because they know I treat their music like it’s my own.
Stereo Mastering & Stem Mastering
Mastering can adds the clarity, depth, and energy to get your final master across the finish line. I have mastered thousands of songs for major labels and indie artists, and I know what it takes to make your track sound professional and stand out in today’s competitive music industry
Vocal Presets & Mastering Presets
Enhance your music production with my expertly crafted vocal and mastering presets. These presets utilize the same techniques and plugins I apply in my mixing and mastering projects for leading artists.
Coaching & Courses
Interested in a DIY approach? Need more guidance to perfect your mix? I offer personalized one-on-one sessions and comprehensive courses tailored to help you achieve the ideal mix. Whether you’re honing your skills or just starting out, I’ll provide the expert support necessary to attain professional results.
How It Works
Purchase & Upload
Once you purchase mixing and mastering services or mastering only , you’ll receive a confirmation email with an upload link. Upload your stems, and Matty willl take care of the rest. For details on how to best prepare your files, check out our FAQ.
I Mix Your Song
As soon as I receive your files, I’ll schedule your song and get started on the mix and master. Everything is done in our world-class studio, and the usual turnaround time is 3 to 5 business days.
You Receive the Mix
Once the mixing and mastering is complete, I’ll send the Master over for your review. From there, we’ll begin the revision process to make sure everything sounds exactly the way you want. I’ll make any necessary adjustments until you’re fully satisfied.
Direct Access to a Proven Pro
Unlike larger services where your song might be passed between engineers, I personally handle every mix and master. With credits including Kelly Clarkson and Travis Barker, you’re getting a seasoned pro dedicated to making your track sound radio-ready — not just good, but competitive.
Unlimited Revisions Until You’re Happy
Some mixing and mastering services limit how many revisions you can request. I don’t. I offer Unlimited Revisions so you can tweak your mix until it’s perfect. And for first-time clients, Unlimited Revisions are completely free — no pressure, no hidden fees.
Fast, Streamlined Workflow
Once your files are in, I get to work right away. Most mixes are delivered in 3–5 business days, and revisions are turned around quickly so your project keeps moving forward.
World-Class Sound, Fair Price
My reputation as an audio engineer comes from results, not inflated rates. My mixing and mastering studio is equipped with the same analog gear and plugins the big players use, but my rates are designed to be accessible for independent artists who care deeply about quality.
Mixing and Mastering Samples
LISTEN FOR YOURSELF AND SEE WHAT A DIFFERENCE PROFESSIONAL MIXING AND MASTERING CAN MAKE
What My Clients Say
Artists I’ve Worked With
Cousin Stizz
Mixing and Mastering
Lil Huddy
Mixing Engineer
Elah Hale
Mastering Engineer
Leikeli 47
Mixing and Mastering
EricDoa
Mixing and Mastering
Travis Barker
Mixing Engineer
Rhea Raj
Mixing and Mastering
COMPANIES WE'VE WORKED WITH
The Mixing & Mastering Engineer
I’m Matty Harris, a seasoned music mixing and mastering engineer with nearly two decades of experience.
Over the years, I’ve collaborated with a diverse array of artists, including big names like Travis Barker, A$AP Rocky, Kelly Clarkson, Cuco, and numerous others. Throughout this journey, I’ve had the privilege of working with talented artists from various corners of the globe. Witnessing their remarkable successes has been incredibly fulfilling.
Allow me to extend an invitation to you: take a leap of faith in your talent. Let’s collaborate on your next song, elevating it to a sonic level that sets it apart from the thousands of tracks uploaded every single day. Your music deserves to stand out, and together, we can make that happen.
I have a clear goal: to support independent artists by providing top-notch online mixing and mastering services at affordable rates.
Mixing and Mastering Blog
News, Tutorials & More
Stereo Mastering vs Stem Mastering: Which One Actually Sounds Better?
As a mastering engineer, I've worked on hundreds of projects using both stereo and stem mastering approaches. Recently, I decided to run an experiment: I took a track I'd already mixed and mastered for the band Red Moon and remastered it using stems to see if I could improve upon the original...
How Long Does It Take to Master a Song?
After nearly two decades of mixing and mastering tracks for Billboard-charting artists like Travis Barker, Kelly Clarkson, and A$AP Rocky, I've learned that the question "How long will it take to master my song?" doesn't have a simple answer. Every artist who reaches...
Why Top 40 Hits Crush Spotify’s -14 LUFS Rule – 4 Tips for Loud, Competitive Masters
Why Top 40 Hits Crush Spotify's -14 LUFS Rule – 4 Tips for Loud, Competitive Masters If you're just getting into music production, you've probably heard this advice floating around: "Spotify wants your masters at -14 LUFS, so that's where you should master your...
iZotope FXEQ Review – A Creative Game-Changer for Mixing and Mastering
iZotope FXEQ Review – A Creative Game-Changer for Mixing and Mastering Every now and then, a plugin drops that makes you stop what you’re doing, lean in, and say, “OK… that’s new.” iZotope’s FXEQ is one of those. This isn’t just another vintage compressor...
Is Online Mixing and Mastering Worth It in 2025?
“Can I really trust someone online to mix or master my music?” That’s the question a lot of artists are asking right now—and I get it. Between AI mastering bots, $15 Fiverr gigs, and social media engineers promising “industry quality,” it’s hard to know what’s legit...
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