Drake thinks the lower court has created an "unprecedented" rule that rap diss tracks can never be actionable with their dismissal of his lawsuit. Source: Mark Blinch / Earl Gibson III The Canadian rapper has officially moved to appeal the dismissal of his lawsuit against Universal Music Group (UMG) tied to Kendrick Lamar's diss track "Not Like Us." He originally sued UMG last year, alleging the company defamed him by distributing Lamar's viral diss track, which branded him a "certified pedophile.