A UPC (Universal Product Code — 12 digits) or EAN (13 digits) identifies a release as a product: the single, EP or album as a whole.
ISRC vs UPC
| ISRC | UPC / EAN | |
|---|---|---|
| Identifies | One recording (track) | One release (product) |
| How many per release | One per track | One per release |
| Changes with | A new recording/version | A new product (e.g. Deluxe edition) |
Kalmori assigns a UPC free of charge if you leave the field blank. Enter your own only when you legitimately own one for this exact release.
