Question: Kesha, an American recording artist, sings what song by producer Dr. Luke?
Context: "We R Who We R" is a song by American singer Kesha from her first extended play (EP), "Cannibal" (2010).  The song was released as the EP's lead single on October 22, 2010.  It was written by Kesha, with Jacob Kasher Hindlin, Dr. Luke, Benny Blanco and Ammo.  Production of the song was completed by Dr. Luke, Blanco, and Ammo.  In the wake of news that bullying had led to multiple suicides of gay youth, Kesha wrote the song in hopes that it would become a pride anthem.  The song is intended to inspire people to be themselves, and as a celebration of anyone deemed quirky or eccentric. Kesha Rose Sebert ( ; born March 1, 1987; formerly stylized as Ke$ha) is an American singer, songwriter and rapper.  In 2005, at age 18, Kesha was signed to producer Dr. Luke's label Kemosabe Records.  Her breakthrough came in early 2009 after appearing on American rapper Flo Rida's number-one single "Right Round".  Kesha's music and image propelled her to immediate success, with her debut album "Animal" premiering at the top of the charts in several countries.  She achieved 3 more number-one singles, "Tik Tok" and "We R Who We R" as a solo artist, and "Timber" as a featured artist.  At the same time, she continued to write songs for other artists, becoming respected as a songwriter. " Warrior", her second studio album, was released in 2012, and spawned her eighth consecutive top-ten single "Die Young".  "Tik Tok", at one point, was the best-selling digital single in history, selling over 14 million units internationally. "Die Young" is a song by American recording artist Kesha.  It was released on September 25, 2012 as the lead single from her second studio album, "Warrior" (2012).  Kesha co-wrote the song with its producers, Dr. Luke, Benny Blanco, and Cirkut, with additional writing from Nate Ruess, the lead singer of Fun.  Kesha wrote the lyrics after traveling around the world and embarking on a spiritual journey. "Sleazy" is a song by American recording artist and songwriter Kesha, taken from her first extended play (EP), "Cannibal" (2010).  The song was written by Kesha alongside Lukasz "Dr. Luke" Gottwald, Benjamin Levin, Shondrae "Bangladesh" Crawford and Klas Åhlund, with production done by Bangladesh, Dr. Luke and Levin.  While working on the album she enlisted the help of producer Bangladesh so that she could give her music a more distinct edge.  Kesha uses a "sing-rap" vocal style throughout the song and uses layered vocals that are enhanced in some parts with the use of auto-tune.  Lyrically the song speaks of wealthy men hitting on Kesha, trying to buy her attention. Cannibal is the debut extended play (EP) by American recording artist Kesha, released on November 19, 2010.  The EP is a follow-up companion to her debut album, "Animal".  Originally, the record was thought to be released as a deluxe edition of "Animal", but was instead sold and released as both an EP and a deluxe edition of "Animal".  Kesha worked with a variety of producers and writers such as executive producer Dr. Luke, Benny Blanco, Ammo, Max Martin, Bangladesh and others.  Musically, the songs on "Cannibal" are of the dance-pop genre, with some songs incorporating elements of electro and electropop in their production and beats.  Throughout the album, the use of Auto-Tune and vocoders is prominent.  Lyrically, the songs on "Cannibal" speak of ignoring judgement or hate and experiences based on love and heartbreak. "Tik Tok" (stylized as "TiK ToK") is the debut single by American recording artist Kesha.  The song was produced by Dr. Luke and Benny Blanco and co-written by Kesha, Dr. Luke and Blanco.  It was released on August 7, 2009, as the lead single from Kesha's debut studio album, "Animal".  The opening line of the song came from an experience where Kesha woke up surrounded by beautiful women, to which she imagined Diddy being in a similar scenario.  The experience triggered the writing of the song which she later brought to her producer, Dr. Luke, who was then contacted by Diddy in hopes of a collaboration; he came to the studio the same day and recorded his lines and the song was completed.  According to Kesha, the song's lyrics are representative of her and based on her life; the song has a carefree message and talks about not letting anything bring you down. "Take It Off" is a song by American recording artist and songwriter Kesha, from her debut album, "Animal".  It was written by Kesha Sebert, Lukasz Gottwald and Claude Kelly and it was produced by Dr. Luke with vocal editing done by Emily Wright.  It was released as the fourth and final single from the album on July 13, 2010.  "Take It Off"'s initial writing consisted of Kesha attending a drag show and becoming turned on by drag queens taking their clothing off.  The song is an upbeat song that uses heavy amounts of auto tune and utilizes an electro infused beat. "C'Mon" is a song by American singer Kesha from her second studio album, "Warrior" (2012).  It was released as the album's second single on November 16, 2012, the same day of being released as a promotional single.  The song was written by Kesha, Dr. Luke, Benny Blanco, Max Martin, Cirkut, and fellow pop singer and longtime collaborator Bonnie McKee, while production was handled by Dr. Luke, Blanco, and Cirkut.  Containing elements of pop rap, "C'Mon" is a technopop song with brash lyrics that center on partying and falling in love.  Stylistically, the song follows a verse–chorus pattern typical in pop music, with Kesha adding traditional singing in the latter and the discordant enunciation and stresses of vowels to force assonance and rhyme that epitomize her rap technique in the former. "Crazy Kids" is a song by American recording artist Kesha.  It was released as the third single for her second studio album "Warrior" (2012), with will.i.am or Juicy J as a featured artist, depending on the version.  An additional remix surfaced online featuring Pitbull.  The lyrics were written by Kesha with assistance with Dr. Luke, Benny Blanco, Cirkut, who also helmed production of the track.  Each featured artist wrote their own contribution.  The remix with Juicy J was featured on "Now That's What I Call Music!  47". Kesha v. Dr. Luke refers to what was a New York Supreme Court lawsuit in which music producer Lukasz Sebastian Gottwald sued singer Kesha Rose Sebert and her mother, Rosemary Patricia "Pebe" Sebert, for defamation and breach of contract.  This was a result of Kesha filing a civil suit against Dr. Luke in October 2014 for infliction of emotional distress, gender-based hate crimes and employment discrimination.  This New York lawsuit resulted in the staying of a California lawsuit where Kesha claimed Dr. Luke was guilty of sexual assault and battery, sexual harassment, gender violence, civil harassment, violation of California's unfair business laws, intentional infliction of emotional distress, negligent infliction of emotional distress, and negligent retention and supervision.  In her New York counter-claim Kesha alleges that Dr. Luke "sexually, physically, verbally and emotionally" abused her since the beginning of their professional relationship.  The suit alleged he drugged and raped her on two occasions, made threats against Kesha and her family, and called her derogatory names.
Answer: Tik Tok