Overview

• Young and Sony Music Publishing filed the intellectual property claim in London on October 1, according to the BBC.
• Her legal team says Lang asserted he should receive writing credits on four songs, a contention they "strongly refute."
• The specific tracks at issue have not been publicly identified.
• Lang, who is credited as a producer on "Messy" and other Young tracks, has not commented publicly on the suit.
• The dispute has been brewing for months and carries significant commercial implications given the breakout success of "Messy."