'None shall sleep'.

Jon Christos watched the Italia 90 World Cup with his Dad and says that the live performance of 'Nessun Dorma' by Pavarotti at the tournament was the only time he ever saw his Dad cry.

Beatrice Venezia conducted 'Nessun Dorma' at the 'Puccini day' she created in Lucca in 2018. She also conducted Andrea Bocelli's performance of the aria at the Platinum Jubilee celebrations in June 2022.

Pavarotti's daughter Cristina talks about the impact this aria had on her father's life and how his 1990 performance of 'Nessun Dorma' inspired many people to become interested in opera.

Sir Bobby Robson's son Mark Robson was at Italia 90 and talks about the pride he felt seeing his Dad lining up with the England team for the semi-final against West Germany. It was also sung at Sir Bobby's memorial service in Durham Cathedral.

Broadcaster and author Alexandra Wilson explains that the opera Turandot is the story of Prince Calaf who falls in love with the titular Princess. In 'Nessun Dorma' Calaf expresses his determination to win her hand, ending with that extraordinary refrain "Vincerò!" or "I will win".

Paul Potts won 'Britain's Got Talent' in 2007 performing 'Nessun Dorma' and recalls singing it to over a million people at the Brandenburg Gate on New Year's Eve in 2010.

When Italy locked down in March 2020, hairdresser Piero d'Angelico played 'Nessun Dorma' from a five-story window above Cambridge railway station to show solidarity with his home country and the Italian community in his adopted city.

Voiceovers by Mike Ingham and Rebecca Braccialarghe.

Producer: Toby Field for BBC Audio in Bristol