Universal Music Group CEO Lucian Grainge called Drake’s defamation lawsuit against the record label “farcical” in a letter to the court, refuting the rapper’s allegations that Grainge was personally behind the release and promotion of Kendrick Lamar’s diss track “Not Like Us.”

Justin Tinsley, the senior culture writer at Andscape, and ABC News’ Brian Buckmire discuss the new escalation in Drake’s legal battle over Kendrick Lamar’s song “Not Like Us.”