Stand-in for the stars – the art of the dubbing singer
Soprano Marni Nixon speaks about her not-so-secret roles in some of Hollywood's best-known musicals
https://www.theguardian.com/film/2013/jun/25/marni-nixon-hepburn-musicals-monroe#:~:text=%22Just%20an%20intuitive%20kind%20of%20response%2C%20I%20guess%2C%22%20she%20says.%20
