"Sparks Fly" is a song by the American singer-songwriter Taylor Swift from her third studio album, Speak Now (2010). Swift had written the track in 2006 and occasionally performed it live, and she produced it with Nathan Chapman for Speak Now after receiving fan requests. "Sparks Fly" is a pop rock song with influences of country music and arena rock; its production incorporates dynamic electric guitars and subtle fiddles. The lyrics are about temptations and reluctance caused by a dangerous love affair.