Why are Elvis Presley rightsholders suing AI company Anthropic?

Elvis Presley rightsholders sued Anthropic, alleging the company used 274 songs to train its AI models without permission.

• The lawsuit was filed on 23 October in the US District Court for the Northern District of California by a subsidiary of Authentic Brands Group.· 1 source
• The plaintiffs allege that 274 songs were copied and used to train Claude models without a licence or payment.· 2 sources
• Anthropic said it disagrees with the claims and intends to defend the case; the article says damages could exceed $40 million.· 1 source