Dancing Queen is literally, T-000.000.001-0. So let's do something anyone reading this can replicate, and take a look at the databases- The MLC's public search, PRS's works search, ASCAP's and BMI's repertoire tools- and look up Dancing Queen to see how the ISWC has fared in its 30+ years of history.

Last year I wrote about real issues to be found in the MLC’s dataset- an exploration of what was really sitting inside the industry's most transparent copyright dataset. The headline then: the MLC reported around 90% of royalty value matched, while our analysis showed only 22% of ISRCs had been attributed to any work- some 170 million of 217 million recordings sitting unlinked, with the long tail holding more recoverable money than the industry's hits-first workflows were eve

US termination rights have been somewhat of an industry secret in times gone by- and understandably so given their creator friendly purpose. For any not familiar, this is the legal right of a songwriter to reclaim US rights they have previously transferred (say under a publishing deal) after 35 years. These sit quietly inside a catalog for years, sometimes decades, looking like a future technicality rather than a present commercial issue.