In order to get into the headspace of his character Fat Thor for Avengers: Endgame, Chris Hemsworth had to get sad. His secret? Playing Johnny Cash’s version of “Hurt” between takes.

https://www.youtube.com/watch?v=Nt0nVI-zJcQ

Despite having no musical ability, the actor performed the song for his castmates in order to get as sad as possible. Hemsworth now calls it the “saddest song on earth”.