Major music labels have initiated lawsuits against AI firms, alleging that AI-generated content infringes on their copyrights. The legal battle focuses on the use of copyrighted material to train AI systems, which music labels argue threatens their market share. AI firms have blasted the lawsuits, claiming that 'labels see a threat to their market share.' These lawsuits are creating a new copyright puzzle for US courts, as judges and juries will need to compare AI-generated outputs with the original copyrighted material. The evolving copyright landscape is further complicated by the need for detailed analysis in these cases.