Question: Who co-wrote Taylor Swift's "We are never ever getting back together"?
About the article "We Are Never Ever Getting Back Together", section "Composition and lyrics".

Candidate passages:
The band performed "Teenage Icon" for BBC Radio 1's Live Lounge on 3 September 2012, also performing a cover of American artist Taylor Swift's "We Are Never Ever Getting Back Together". 
Martin produced and co-wrote the "Billboard" Hot 100 No.
1 hit "We Are Never Ever Getting Back Together", on Taylor Swift's 2012 album "Red", which became her first number-one single in the US.
Upon its release, the song reached the top position on the iTunes singles chart in 50 minutes, hence breaking the previous record held by Lady Gaga's song "Born This Way" with a record of an hour, making "We Are Never Ever Getting Back Together" the fastest selling single in digital history.
It set the record for the biggest digital sales week (623,000) ever for a song by a female artist, surpassing the record held by Kesha's "Tik Tok".
It also reached the top of the iTunes single chart in 32 countries.
He also co-wrote and produced two other singles on the album "I Knew You Were Trouble" which peaked at No.
2 on the Billboard Hot 100 and "22" which was a moderate success. 
"Started with a Song" is a song recorded by Canadian country music artist Brett Kissel.
It was released in June 2013 as the first single from his major label debut album, "Started with a Song".
It became the most added song at Canadian country radio in its first week, surpassing a record set by Taylor Swift's "We Are Never Ever Getting Back Together". 
 April 4 - Justin Bieber's single, "Boyfriend", has the second-highest first week sales of a new single, debuting at #2 on the Billboard Hot 100, later on surpassed by Taylor Swift's "We Are Never Ever Getting Back Together" with 623,000 sales making Bieber the third highest first week sale.
April 26 - Chiodos' original lead singer, Craig Owens, rejoins the band after being let go in September 2009, replacing Brandon Bolmer, who departed Chiodos in March.
April 29 - Kevin Richardson rejoined the Backstreet Boys permanently, after roughly six years of departure.  
"Begin Again" is a song recorded by American singer-songwriter Taylor Swift for her fourth studio album, "Red" (2012).
It was written by Swift and produced by Nathan Chapman and Dann Huff, with Swift's aid.
Initially released as a promotional single on September 25, 2012 by Big Machine Records, the song served as the second single from "Red".
"Begin Again" is a folk country song, with the lyrical content finds Swift falling in love again after a failed relationship.
The song was generally acclaimed by music critics, many of whom praising Swift's songwriting and complimented for coming back to her country roots for the close of the album.
The song's accompanying music video was directed by Philip Andelman, who also directed the music video Swift's "Safe & Sound".
"Begin Again" generally was commercially successful, it became her second top ten hit on both US and Canadian charts following the hit single "We Are Never Ever Getting Back Together", peaking at number seven and four respectively.
The single has been certified Platinum by the Recording Industry Association of America (RIAA).
"Begin Again" was nominated for the Grammy Awards for Best Country Song at the 56th Grammy Awards.