Find your direction.
Choose mastering, track feedback or a focused workshop around your music.

Your next record. Your next breakthrough. Choose mastering, personal feedback or a workshop built around your music.
Select a service here, then share your brief below. Your choice stays selected while you log in or create your free account.
Log in to manage your profile, share your music and follow your studio requests.
Already registered but still waiting for your confirmation email? Enter your email address above and request a new link.
Your messages and studio files stay private. Email confirmation is required before you can log in.
Request stages: Received → In progress → Ready for download.
Choose mastering, track feedback or a focused workshop around your music.
Log in to share your project and upload audio securely. Discuss the scope and payment with SUBTRX.
Follow your project in your account and keep the conversation going with your project reference.
Contact SUBTRX to agree on the service, total price and payment before work begins. Include your project reference in your message and payment notes.
PayPal recipient: [email protected]
Please wait for confirmation of the project and total before paying. Payments are checked manually; your request is not marked paid automatically. Mastering turnaround: 1–2 weeks after confirmed payment and receipt of complete files.