ISWC


International Standard Musical Work Code. This 11-character alphanumeric code is used to uniquely identify a musical work. Each song should only have one ISWC, but arrangements, adaptations and translations should receive their own unique ISWCs. ISWCs are issued by your PRO, so if your works are already registered with your PRO, they have been assigned ISWCs. An ISWC looks like this: T-123.456.789-Z

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