Drake's lawsuit against Universal Music Group over Kendrick Lamar's Not Like Us was dismissed, but the legal battle is continuing after Drake appealed the ruling.

New amicus briefs have brought more voices into the dispute, with arguments around artistic expression, rap music in courtrooms and First Amendment protections.

Host: Anoushka Mutanda-Dougherty Series Producer: Louise Clarke Senior Impact Producer: Melanie Stewart Smith Digital Journalist: Daniel Raza Researcher: Helena Warwick-Cross Production coordinator: Phoebe Lomas Technical Producer: Craig Boardman Editor: Clare Fordham Commissioning Producer: Adam Eland Assistant Commissioner: Chris Walsh-Heron Commissioning Editor: Rhian Roberts