This song that was released on August 30, 2009, was the fourth single off of the album for what singer who co-produced that album with Nathan Chapman?
Fifteen (song):  "Fifteen" was released on August 30, 2009 by Big Machine Records, as the fourth single from Swift's second studio album, "Fearless" (2008). Fearless (Taylor Swift album):  As with her first album, "Taylor Swift", Swift wrote or co-wrote all thirteen tracks on "Fearless".
i don't know