Diddy sex-trafficking trial begins, Taylor Swift faces a subpoena, Halle Bailey wins a restraining order and more in this recap of music law news.

Sean "Diddy" Combs's ex-girlfriend Cassie returns to court for a second day to give evidence against the hip-hop mogul in his sex-trafficking trial. Diddy denies all charges against him. Follow live ...

Sean "Diddy" Combs' trial began on May 12. Here's a complete guide to the key players involved in Sean "Diddy" Comb's trial, from the legal team to the witnesses.