The story told in Salvation sang by Gabrielle Aplin is of the singer being made pure. It is unclear if she is singing this song because of a significant other or a god. But one thing is very clear, she is 100% confident in her salvation due to this person/god.
Christian salvation is about Jesus saving us from our sinful selves and giving us, eternal life spent with him. Ephesians 6:17 talks about wearing the helmet of salvation. This is an intentional choice which we make daily. Gabrielle Aplin is confident of her salvation, how will Salvation be your soundtrack for the day?