Before Domingo, Carreras and Pavarotti caught the public's imagination, three other legendary tenors, Enrico Caruso, Beniamino Gigli and Jussi Björling, defined the art form.

Presented by internationally-renowned British tenor Nigel Douglas, this fascinating documentary examines the lives and musical legacies of these celebrated tenors. Through rare archive footage, including some of their finest arias and songs, as well as interviews, this film looks at each vocalist and how their unique talents not only shaped their art, but caused them to become singing superstars who inspired and influenced subsequent generations of singers throughout the world.