Mastering
Make it translate.
$150 per song · typically one to three days · three revision rounds · payment held in escrow by EngineEars until you approve
What's included
Common questions24-bit WAV masters at delivery rate and MP3 references. ISRC and metadata embedded if you supply them.
Three revision rounds are included, each one back to you for approval. Turnaround is typically one to three days; rush delivery is 24 hours on request.
Mastering is $150 per song, and from three songs the rate drops automatically — an EP or album costs less per song than a single. Booking, files and payment run through EngineEars, rated 5.0 from 282 completed projects. A free account is all you need to upload.
Not offered: stem mastering — final mixes only — or vinyl cutting, which your cutting engineer does at the facility of your choice. Masters run remote, so there is no sitting in.
Hear a master
GKO — “Blue”, from Color Studies. Johnny Morgan: Mixing Engineer, Mastering Engineer.
What to expect
Full processBook a master through EngineEars, rated 5.0 from 282 completed projects. Upload the final mix and the reference tracks you measured it against.
Once finished, I'll upload the master to EngineEars for you to either approve or make notes on. Three rounds of revisions are included.
24-bit WAV masters at delivery rate, MP3 references, ISRC and metadata embedded if you supply them. Turnaround is one to three days; rush delivery is 24 hours on request.
Mastering credits
Verified on Muso.ai| Artist | Record | Role | Year |
|---|---|---|---|
| 545 | Epilogue | Mixing Engineer, Mastering Engineer | 2026 |
| GKO | Color Studies | Mixing Engineer, Mastering Engineer | 2025 |
| almighty Opp | Untitled One | Engineer, Mixing Engineer, Mastering Engineer | 2025 |
| Roughneck Jihad & Pryvet Peepsho | Bring On The Bad Guys | Engineer, Mixing Engineer, Mastering Engineer | 2024 |
| Frankie Gregorio Band | It's All Out There | Engineer, Mixing Engineer, Mastering Engineer | 2024 |
Records on which Muso.ai credits Johnny as Mastering Engineer, roles exactly as credited. Muso.ai lists 320 mastering credits in total as of September 2026. More credits.
What clients say
Verified on EngineEars“I sent over my mix and received a final master in less than two days. Fast turnaround without sacrificing quality.”
“Johnny was very patient with me, and was happy to work with me through a couple revisions in order to get my track to its full potential.”
Rated 5.0 from 81 reviews across 282 completed projects on EngineEars.
Send the session.
Files, notes and payment in one place. Free account to upload.
A short form — what the project is, how many songs, a link to hear it. Personal reply within one business day.
For questions about project scope, label and sync work, or anything that isn't a session yet.