Zeinab Badawi meets her favourite opera singer: the legendary Italian baritone Leo Nucci - described as one of the best baritones of the last 100 years. A profile of a man who rose from humble beginnings to perform in all the world's leading opera houses. We see how he still packs in the audiences at the age of 77. What is the secret behind his 50-year long career? How does he maintain his voice and what are the lessons for us all in achieving success in our chosen field?