What is the fine-grained topic of the following text: “Gold Rush” is inspired by Gibbard’s observations of how the world around him has changed over the last few decades; he says it’s “about coming to terms with the passage of time and losing the people and the moments in my life all over again as I walk down a street that is now so unfamiliar.” That sentiment and the repeated lyric “It didn’t used to be this way” are mirrored in the video, which shows Gibbard walking down a street, alone in a crowd, as time passes around him. Only return the topic.
The impact of time and change on personal experiences and surroundings, as expressed in Gibbard's song "Gold Rush".