High Quality Content by WIKIPEDIA articles! "Breathe" is a country pop song performed by American singer-songwriter Taylor Swift, featuring Colbie Caillat as the co-writer. The song was written by Swift and Caillat and produced by Nathan Chapman with Swift`s aid. It was released on October 21, 2008, by Big Machine Records, as a promotional single from Swift`s second studio album, Fearless (2008). The song was written about the end of a friendship. Musically, the song is driven by acoustic guitar.