<Tr> <Th> Producer (s) </Th> <Td> <Ul> <Li> Taylor Swift </Li> <Li> Nathan Chapman </Li> </Ul> </Td> </Tr> <Ul> <Li> Taylor Swift </Li> <Li> Nathan Chapman </Li> </Ul> <P> "Dear John" is a song written and recorded by American recording artist Taylor Swift . The song was on her 2010 release, Speak Now . Swift wrote this song on her own, like all of the songs on the album, and it is allegedly about fellow singer, John Mayer . Although the song was never released as a single, it did end up charting on the Billboard Hot 100 and the Canadian Hot 100 . </P> <P> Swift allegedly wrote Dear John about rock singer John Mayer, who she dated from December 2009 - February 2010 . He fired back, obviously angry about the song . In an interview with Rolling Stone magazine, he said, "I never got an e-mail . I never got a phone call . I was really caught off - guard, and it really humiliated me at a time when I'd already been dressed down . I mean, how would you feel if, at the lowest you've ever been, someone kicked you even lower?" Mayer also insulted Swift as a songwriter, saying it was "cheap songwriting ." When Swift was asked about the rumors, she shot them down, but not exacally saying that the song wasn't about Mayer . "How presumptuous! I never disclose who my songs are about," Swift said in the November 2012 issue of Glamour (magazine). </P>

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