Interstellar
Christopher Nolan's younger brother, Jonah, wrote the first draft of Interstellar.
In Jonah's draft the character Murph was a boy.
Christopher read Jonah's draft and immediately changed Murph to a girl.
This is why: https://twitter.com/FoundersPodcast/status/1689325923735150593
Visualising the soundtrack https://x.com/gunsnrosesgirl3/status/1966939969894969756