The judge presiding over the Napster case has given the record labels suing the company until today to prove they own the copyrights to over 200 songs openly traded on the file swap service.
The call follows accusations by Napster that the record labels had misused their copyrights to illegally dominate the ever expanding music distribution market.
District Judge Marilyn Hall Patel has demanded proof of copyright registration from some labels for the likes of artists such as the Beatles and Elvis.
Hall Patel has appointed a special examiner to analyse copyright documents presented by the record labels and file a report detailing whether they have sufficient rights.
Napster is claiming some small victory for getting the judge to investigate the labels copyright claims, but the future of the company still hangs in the balance.
Napster was set to return as a subscription-based service but no launch date has been set and the new technology is still very much in beta test mode.
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PUBG news and updates: November's Update #23 to bring new Skorpion pistol and changes to blue zone visibility
Genuinely useful side-arm coming to PUBG in Update #23