It's been 30 years since Luciano Pavarotti, José Carreras and Plácido Domingo made their historic debut as The Three Tenors at the ancient baths of Caracalla on the eve of the 1990 Football World Cup. Three Tenors: Voices for Eternity celebrates the emotional highlights of that first concert and the sequel in Los Angeles. With brand new interviews and never-before-seen backstage footage, this documentary offers a fascinating insight into the rivalries and friendships of the legendary opera stars from 1990 through to Pavarotti's passing in 2007.