Each unique recording needs its own ISRC. You should use the same ISRC only when you are uploading the same recording into a different album. If that is the case, make sure to use exactly the same metadata that was used in the previous release.
Each unique recording needs its own ISRC. You should use the same ISRC only when you are uploading the same recording into a different album. If that is the case, make sure to use exactly the same metadata that was used in the previous release.