We are here to make your music sound great.
We provide our services in Fort Collins, Colorado and Online, Worldwide.
We can apply our studio expertise to your music and we can teach you our skills.
We are highly rated by our clients and we look forward to working with you.
We have over 15 years professional engineering and music production experience, and our music and mastering work has been featured on reputable blogs, in music magazines and on the radio.
Through our expert mastering and mixing services, we can give your songs a superb sound.
Through our one-on-one instruction, we can teach you the skills you need to take your music to the next level.
Mastering
Josh Shirt’s 5-Star Rated Mastering.
- Before mastering, discuss with Josh the music you love and the sound you want to achieve from your master
- One free set of mastering revisions is included in the price
Enhanced Mastering
Get a concise list of technical improvements to make to your song’s mix, followed by our 5-star mastering.
- Josh Shirt’s 5-Star Rated mastering
- Talk to Josh about the music you love and the sound you want to achieve from your master
- From Josh’s concise notes, make improvements to your mix before he starts mastering
- Give feedback on your first master. If you need changes, a second master is included free of charge
Advanced Mastering
Our flagship mastering service. Mastering with icing on top.
- Josh Shirt’s 5-Star Rated Mastering
- Get a concise list of improvements to make to your mix, before Josh masters your song
- Professional treatment of your vocals during mastering
- Uses advanced mastering techniques for a fully finessed sound
- One free set of mastering revisions included in the price
Pro Feedback On Your Song
Get professional tips on how to improve your song.
- If you are asking “what’s wrong with my mix / my production?” then this service is for you
- Josh will lend his trained ears to your song and suggest how it can be improved, both musically and technically, to get an even better result
Finish My Song
With our help you will finish that song!
- Work with us from anywhere in the world
- Get professional suggestions for your song covering your mix, production, recording technique and arrangement
- Make the tweaks you want to make then Josh will master your song using advanced techniques from our ‘Advanced Mastering’ service
Professional Mixing and Mastering
Let us handle the technical side of things. If you’ve recorded a song at home, we are here to mix and master it for you – to give you groundbreaking sound.
- Send us the stems from your song (full explanation of ‘stems’ here)
- Discuss one-to-one with Josh Shirt the sound you want to achieve from your song
- Josh Shirt will expertly mix your song and send you different iterations as he works, hearing which you like best to keep the mixing process on the right track
- Finally, Josh will master your song and deliver you a top-quality professional song that’s ready to release to the world
We can work with you wherever you are in the world.
Some of our most popular lessons include music production lessons in Ableton Live and DJ lessons.
Music Mixing Lessons
Get confident at mixing your own music by taking lessons with a professional.
- Book as many or as few lessons as you want
- Lessons are given one-on-one by Josh Shirt
- Work on your current music project in your music software (DAW) of choice
- $80/hour in person
- $60/hour online
- $40/half-hour online
DJ Lessons
Learn how to DJ – and learn a lot about music in the process.
- Learn the skill and the art of DJing
- Learn about beats and bars, song arrangement and time signatures in popular music
- Indirectly, learn what makes music good
- Through excelling at DJing, learn the foundation of sound engineering, opening the door to careers in music
Music Production Lessons
Transform your creative spirit into impressive finished songs and express yourself.
- Book as many or as few lessons as you want
- Lessons are given one-on-one by Josh Shirt
- Get on the fast-track and learn the exact skills and techniques that will level up your sound
- Take lessons centered around you and your music with an experienced professional
Home Studio Consultation
Get expert advice on how to build and configure a professional studio in your home.
- Meet online, one-on-one with Josh Shirt
- Post meeting, receive extensive notes from Josh covering how to setup and configure your existing music gear, as well as suggestions for new gear to purchase to meet your music making aims
- Meet with us online where ever you are in the world (recent consultations given in Japan and Spain)
Whether you want to level-up the music you’re already making – or you are a complete beginner with an interest in music – we are here to help!
Shirty Mastering, Mixing, Music Production & Instruction was founded by Josh Shirt in 2019, in Fort Collins, Colorado, near to Loveland, Greeley, Longmont, Boulder, Wellington, Windsor, Timnath, Laporte and Denver.
Highlights
Event: May 17th 2026
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Blog Post: Jan 10th 2026
