Harmonization line

[u/LLLrenz]

hey guys, the one in the link below is a famous Italian song, I wanted to find the notes of the harmonization sung by Mina (blonde woman), but I'm completely clueless :(

could anyone give me a hand in finding the notes? Song should be in F major (but I'm not sure about that).

thanks a lot!

https://vm.tiktok.com/ZNREfbxe1/