A UPC barcode (or Universal Product Code) is used to represent and track your music as an entire physical or digital product, in contrast to an ISRC code which represents individual tracks or sound recordings. 

If your release has not already been distributed to any of the major platforms like (iTunes, Amazon, Spotify, etc.) then it won't have an UPC. TuneGO will set a UPC after you select your release date at no cost to you.

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