In a sworn declaration, UMG CEO Sir Lucian Grainge called Drake's latest legal claims "groundless and indeed ridiculous."

Drake’s legal team had sought to compel UMG to add Grainge as a document custodian in their ongoing discovery battle, claiming the company’s global CEO was personally involved in approving Kendrick Lamar’s diss track Not Like Us, which forms the basis of Drake’s defamation case against UMG.

In a discovery bid, Drake, born Aubrey Graham, urged the court to force UMG and chief executive Lucian Grainge to turn over the label’s contract with Lamar, as well as information relating to allegations of domestic violence and other crimes committed by ...