What Makes a Great Tenor?

The great tenor Rolando Villazon takes us inside the world of the sexiest and most risky of all operatic voices. It's a journey which includes some of the great names of the past, such as Caruso and Lanza, and some of the brightest stars performing today, like Domingo, Alagna and Florez. We hear how they tackle their most famous roles and what the risks and rewards are.