Question: Chris Kirkpatrick was a founding member of which famous American boy band?

Context paragraphs:
NSYNC: NSYNC (sometimes stylized as *NSYNC or 'N Sync) was an American boy band formed in Orlando, Florida in 1995 and launched in Germany by BMG Ariola Munich.  NSYNC consisted of Justin Timberlake, JC Chasez, Chris Kirkpatrick, Joey Fatone, and Lance Bass.  After heavily publicized legal battles with their former manager Lou Pearlman and former record label Bertelsmann Music Group, the group's second album, "No Strings Attached", sold over one million copies in one day and 2.42 million copies in one week, which was a record for over fifteen years.  Among the group's singles, "Bye Bye Bye", "This I Promise You", "Girlfriend" and "It's Gonna Be Me" reached the top 10 in several national charts, with the latter being a US "Billboard" Hot 100 number one.  In addition to a host of Grammy Award nominations, NSYNC has performed at the World Series, the Super Bowl and the Olympic Games, and sang or recorded with Elton John, Stevie Wonder, Michael Jackson, Phil Collins, Celine Dion, Aerosmith, Nelly, Left Eye, Mary J. Blige, country music supergroup Alabama, and Gloria Estefan.

In Real Life (band): In Real Life is an American boy band composed of Brady Tutton, Chance Perez, Drew Ramos, Sergio Calderon, and Michael Conor, the final five vocalists from the American reality television music competition series "Boy Band."  The show premiered June 22, 2017 on ABC with hostess Rita Ora, and "architects" Backstreet Boys' Nick Carter, the Spice Girls' Emma Bunton and Timbaland.

CNCO: CNCO is a Latin American boy band formed on December 13, 2015, composed of Christopher Vélez, Richard Camacho, Joel Pimentel, Erick Brian Colón and Zabdiel de Jesús"."  They won a 5-year recording contract with Sony Music Latin after becoming the winning competitors of the first season of "La Banda."  The band toured with Ricky Martin and their singles, "Tan Fácil" and "Quisiera", charted well soon after their debut.  They released their first album, "Primera Cita" on August 26, 2016.  In August 2017, they became the first boy band to reach one billion views in YouTube, with their single "Reggaetón Lento (Bailemos).

Chris Kirkpatrick: Christopher Alan Kirkpatrick (born October 17, 1971) is an American singer, dancer, and voice actor who is best known for his work as a founding member of the pop group NSYNC, in which he sang countertenor.  He has provided voices for numerous kids shows, including the voice of Chip Skylark on "The Fairly OddParents".  He also guest starred on "The Simpsons" as himself, along with his fellow NSYNC bandmates, in the episode "New Kids on the Blecch".

Dead 7: Dead 7 (formerly titled Dead West) is an American post-apocalyptic zombie horror western film written by Nick Carter, American singer best known as a member of the Backstreet Boys.  It is directed by Danny Roew and produced by The Asylum.  The movie aired on SyFy on April 1, 2016 in the United States.  Carter managed to get two of his bandmates, A. J. McLean and Howie Dorough to star in the movie.  In addition, Carter also cast several members from other boy bands like 98 Degrees, O-Town, 'N Sync and All-4-One.  A free copy of the theme song "In the End" was released on March 28, performed by band members Nick Carter, AJ McLean and Howie D.; Joey Fatone and Chris Kirkpatrick from NSYNC; Jeff Timmons from 98 Degrees; and Erik-Michael Estrada from O-Town.

Pop (song): "Pop" is a song by American boy band NSYNC.  It was released on May 15, 2001 as the first single from their third studio album, "Celebrity".  The song was written by Wade Robson and Justin Timberlake and produced by BT using his famous "stutter edit" sound.

NLT (band): NLT (an abbreviation of Not Like Them) was an American boy band whose members were Travis Michael Garland, Kevin McHale, Justin Joseph "JJ" Thorne, and Vahe "V" Sevani.  They were discovered by Chris Stokes, who signed them to his TUG Entertainment label in 2006.

Boy Band (TV series): Boy Band is an American television music competition series that premiered on June 22, 2017 on ABC.  The 10-episode first season features young male vocalists competing to become a member of a new five-piece boy band.  The final five boys who form the boy band receive a recording contract with Hollywood Records and perform the band's debut single during the finale.  On August 24, 2017, it was announced on the live show that Brady Tutton, Chance Perez, Drew Ramos, Sergio Calderon, and Michael Conor were the new members of the boy band, In Real Life.  They performed for the very first time their first single, "Eyes Closed".

All or Nothing (O-Town song): "All or Nothing" is a song by American boy band O-Town.  The pop ballad was written by Wayne Hector and Steve Mac, and produced by Mac.  It was released in July 2001 as the second single from their debut album "O-Town".  The song reached number 5 in Canada, number 3 in the United States, and number 4 in the United Kingdom.  In 2006, Irish boy band Westlife recorded a cover version on their seventh studio album, "The Love Album" - to which is used extensively as background music during the audition stages of "The X Factor UK".

Together Again (NSYNC song): "Together Again" is a song by American boy band NSYNC.  It was released as the fifth single from their self-titled debut album.  It was released in November 1997 exclusively on the German market.  It was written by Andy Reynolds and Tee Green and is one of the few NSYNC songs where Joey Fatone and Chris Kirkpatrick each sing a verse.  The single has never been released worldwide.  It was the group's first and only release to include a video for the track.

Supporting paragraphs: Together Again (NSYNC song) Chris Kirkpatrick
Answer: NSYNC