IFPI Codes http://home.lyse.net/bki/met/ifpi-codes.html    1985 to 1991 (1994): PDO (1991 was change of control but 1994 was the official name change) 1991 (1994) to 1999: PMDC (1991 / 1994 as above) 1999 to 2005: UML

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