This is Taylor Swift\'s latest single, "Cardigan". The song is a dreamy, nostalgic love letter to a lost romance. With a gentle acoustic guitar and a soft, ethereal vocal delivery, Taylor\'s heartfelt lyrics explore the bittersweet emotions of a past relationship. The song is
From Wikipedia
"Cardigan" is a song by the American singer-songwriter Taylor Swift and the lead single from her eighth studio album, Folklore (2020). Republic Records released the song on July 27, 2020. Written by Swift and its producer, Aaron Dessner, "Cardigan" is a soft rock, folk, and indie rock ballad, with a stripped-down arrangement of a piano, drums, and violins.