Before you upload audio to your release, it needs to meet a few technical requirements. Below you'll find step-by-step upload instructions, the specs we accept, and how to troubleshoot a file that won't upload.
How to upload your audio
Before you start, you'll need WAV or FLAC files (MP3 is accepted but not recommended) that are stereo, 44.1 kHz, 16-bit, with file names using only letters, numbers, hyphens (-), and underscores (_).
- Log in to your account
- Click the Albums & Singles tab
- Click View/Edit next to your release
- On the Title Overview page, click the Tracks & Audio tab
- Click Add/Edit Audio
- Click Choose file to select and upload audio for each track
- You can remove previously uploaded audio and choose a new file the same way
- Click Save and continue at the bottom of the page
Audio requirements
| Requirement | Spec |
|---|---|
| File format | WAV or FLAC (preferred); MP3 accepted but not recommended |
| Channels | Stereo |
| Sample rate | 44.1 kHz |
| Bit depth | 16-bit |
| File names | Letters, numbers, hyphens (-), and underscores (_) only |
Avoid special characters in file names like ! @ # $ % ^ & * ? + = ~ / < > \ — these can cause upload problems.
My track won't upload
Step 1: Check your file's properties
- Right-click the file on your device
- Select Properties (Windows) or Get Info (Mac)
- Under General, confirm the file type shows .WAV, .FLAC, or .MP3
- Under Details, check the Bitrate and Sample Rate — they should read 1,411 Kbps and 44.100 kHz for WAV (16-bit, 44.1 kHz), or 320 Kbps for MP3
- A common mismatch is 24-bit / 2,304 Kbps at 48.000 kHz — if you see this, your file needs to be converted down to 16-bit / 1,411 Kbps at 44.100 kHz
- If your file doesn't match these specs, reformat it and try uploading again
Step 2: Reconvert the file in case it's corrupted
If your file already matches the specs above but still won't upload, it may be corrupted. Reconverting it into WAV format usually corrects this:
- Go to a free online converter such as online-audio-converter.com
- Click Open files and choose the audio file in question
- Select the WAV option and leave the default settings
- Scroll down and click Convert
- Download the newly converted file and upload it to your account
Links to third-party sites are provided for informational purposes only. We can't guarantee the accuracy of third-party tools, and they aren't covered by our artist agreement or privacy policy.
Step 3: Rule out your browser or network
- Try a different browser, or make sure your current browser is fully updated
- Try uploading from an incognito/private window
- If you're using a VPN, turn it off before uploading — VPNs can interfere with the upload process
Still having trouble? If you've worked through all of the steps above and still can't upload your audio, submit a request with a link to your files via a file transfer service like WeTransfer, Dropbox, or Google Drive.
Why we recommend WAV or FLAC over MP3
When we deliver your files to our digital partners, we encode them into the various formats each platform requires. MP3 is already a lower-quality, compressed format — so any quality loss it has is compounded by the encoding process. Starting with the highest-quality file possible (WAV or FLAC) gives partners the best version of your audio to work with.
Other things to know
- Embedded metadata in your audio files (titles, artist info, etc.) is not retained after we process your release
- Your tracks must meet all requirements above before we can begin processing your release — if there's a problem, we'll email you right away so you can upload new audio
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