What is the opera song used in movies very mellow at first then it gets dynamic Female singer I feel like heard a war movie recently?

O mio babbino caro

- The aria is famously featured in the 1989 film Henry V, directed by Kenneth Branagh.

- Renée Fleming's version is part of the soundtrack of Franco Zeffirelli's 2002 film Tosca.

- In 2017, the aria was used in the Dunkirk trailer and the film itself.