ISRC

The ISRC (International Standard Recording Code) was developed by the ISO to identify sound and audiovisual recordings. Its standard number is ISO 3901.

The ISRC contains 12 characters that mean:

Lenght	Meaning
2	Country
3	First owner (allocated by Phonographic Performance Ltd)
2	Recording year (last two digits)
5	Designation code (assigned by first owner)

ISRC official page