Twicecoaster: Lane 2

Twicecoaster: Lane 2 is the reissue of South Korean girl group Twice's third extended play (EP) Twicecoaster: Lane 1. It was released digitally and physically on February 20, 2017, by JYP Entertainment. It contains thirteen tracks, including the lead single, "Knock Knock".

Background and release
On January 18, 2017, it was reported that Twice would be releasing a special album after their concert in Seoul. In early February, Twice officially announced the release of the reissue of Twicecoaster: Lane 1, titled Twicecoaster: Lane 2, on February 20 with the brand new track "Knock Knock".

The track list for Twicecoaster: Lane 2 was revealed on February 12. It contains thirteen tracks: the seven songs from the original release, additional two new songs, a remix version and instrumental of "TT", as well as the instrumental tracks of "Like Ooh-Ahh" from The Story Begins and "Cheer Up" from Page Two. The group concept images and individual teasers of Twice were released in the next four days.

Two music video teasers for "Knock Knock" were released on February 17 and 18 at midnight. The first teaser started with the sound of knock which was heard on the ending of the music video for "TT", while the second teaser showed the members dressed in a variety of outfits that flash by in the stop-motion video.

The final group image teaser was released on February 19 at midnight. Twice also greeted the fans via Naver V Live for a comeback countdown at 23:30 KST. The album, along with the music video for "Knock Knock", was officially released the next day. It was also released as a digital download on various music sites.

Promotion
On February 20, 2017, Twice had a live broadcast on Naver V Live at 10:00 KST to celebrate their comeback with fans. The group talked about the album, the lead single "Knock Knock" and its music video, as well as their first solo concert which was held on February 17–19 and Asian tour. They also performed the full choreography of "Knock Knock".

The next day, Twice recorded their appearance on the February 25th episode of You Hee-yeol's Sketchbook, their first variety show for Twicecoaster: Lane 2. The group's appearance was included in the show's special monthly episodes with the concept "songs I want to sing for those in their 20s."

On February 23, Twice held their first comeback stage on M Countdown. It was then followed by performances on the February 24th, 25th and 26th episode of Music Bank, Show! Music Core and Inkigayo, respectively. continued on the March 7th episode of The Show, and Show Champion on the 8th.

The group ended their music show promotions on the March 12th episode of Inkigayo.

Commercial performance
Twicecoaster: Lane 2 entered the Gaon Album Chart at number 1 and the Billboard World Albums at number 4, while "Knock Knock" entered the Gaon Digital Chart at number 1 and the Billboard World Digital Songs at number 5.

The album had sold 266,645 units in February 2017.

Content production
Credits adapted from album liner notes.

Locations

 * Recording
 * JYPE Studios, Seoul, South Korea
 * Prelude Studio, Seoul, South Korea
 * Trinity Sound Studio, Seoul, South Korea
 * Paradise Music Studio, Seoul, South Korea
 * U Productions Studio A, Seoul, South Korea
 * Kairos Music Group, Los Angeles, California


 * Mixing
 * JYPE Studios, Seoul, South Korea
 * In Grid Studio, Seoul, South Korea
 * W Sound Studio, Seoul, South Korea
 * Echo Bar Studios, Los Angeles, California


 * Mastering
 * Sonic Korea, Seoul, South Korea
 * Sterling Sound, New York City, New York
 * The Mastering Palace, New York City, New York

Personnel

 * J. Y. Park "The Asiansoul" – producer
 * Min Lee "collapsedone" – co-producer, all instruments and computer programming (on "Knock Knock")
 * Mayu Wakisaka – co-producer and background vocals (on "Knock Knock")
 * Sim Eun-jee – co-producer
 * Lee Ji-young – direction and coordination (A&R)
 * Jang Ha-na – music (A&R)
 * Nam Jeong-min – music (A&R)
 * Kim Ji-hyeong – production (A&R)
 * Choi A-ra – production (A&R)
 * Kim Bo-hyeon – design (A&R) and album design
 * Kim Tae-eun - design (A&R) and album design
 * Choi Hye-jin – recording and assistant mixing engineer
 * Im Hong-jin – recording engineer
 * Eom Se-hee – recording engineer
 * Kim Yong-woon "goodear" – recording and mixing engineer
 * Jo Han-sol "Fabio the Asian" – recording and assistant mixing engineer
 * Lee Chang-seon – recording engineer
 * Kim Si-cheol – recording engineer
 * Yang Jeong-nam – recording engineer
 * Brian U – recording engineer
 * Kang Yeon-noo – recording engineer
 * Park Sang-rok – assistant recording engineer
 * Han Cheol-gyu – assistant recording engineer
 * Jang Hong-seok – assistant recording engineer
 * Wes Koz – assistant recording engineer and acoustic guitar (on "Next Page")
 * Kevin Wong "Koncept" – assistant recording engineer
 * Lee Tae-seob – mixing engineer
 * Jeong Eun-kyeong – mixing engineer
 * Jo Joon-seong – mixing engineer
 * Bob Horn – mixing engineer
 * Tak – mixing engineer, all instruments and computer programming (on "TT (Tak Remix)")
 * Choi Ja-yeon – assistant mixing engineer
 * Park Jeong-eon – mastering engineer
 * Chris Gehringer – mastering engineer
 * Dave Kutch – mastering engineer
 * Will Quinnell – assistant mastering engineer
 * Kim Young-jo (Naive Creative Production) – music video director
 * Yoo Seung-woo (Naive Creative Production) – music video director
 * Kim Young-joon (Agency Seed) – photographer
 * Choi Hee-seon – style director
 * Im Ji-hyeon – style director
 * Park Nae-joo – hair director
 * Won Jeong-yo – makeup director
 * Kim Hyeong-woong – choreographer
 * Yoon Hee-so – choreographer
 * Lee Ji-hyeon – choreographer
 * Jiggy Choi Young-joon – choreographer
 * Today Art – printing
 * Jowul – vocal production (on "Ice Cream")
 * Choi Han-sol – computer programming (on "Ice Cream")
 * Pink Hound – computer programming (on "Ice Cream")
 * Jeong Jae-pil – guitar (on "Ice Cream")
 * Lee Jeong-woo – bass (on "Ice Cream")
 * Son Min-kyeong – background vocals (on "Ice Cream")
 * Jeong Yoo-ri (CaSSeTTe08) – additional engineering (on "Ice Cream")
 * Rado – all instruments and computer programming (on "TT", "Like Ooh-Ahh (Inst.)", "Cheer Up (Inst.)" and "TT (Inst.)")
 * Jihyo – background vocals (on "TT")
 * Nayeon – background vocals (on "TT")
 * Noday – all instruments, keyboard and computer programming (on "1 to 10")
 * Chloe – all instruments, keyboard, computer programming and background vocals (on "1 to 10")
 * Kwon Phillip – guitar (on "1 to 10")
 * Yoon Woo-seon – piano (on "Ponytail")
 * Kim Ki-wook – bass (on "Ponytail")
 * Hong Joon-ho – guitar (on "Ponytail")
 * Lee Gyu-hyeong – drum (on "Ponytail")
 * Lee Dae-hee – synthesizer (on "Ponytail")
 * Kim So-hyeon – chorus (on "Ponytail") and background vocals (on "Pit-a-Pat")
 * east4A – all instruments and computer programming (on "Jelly Jelly")
 * Jeong Jin-ha – background vocals (on "Jelly Jelly")
 * Im Kwang-wook – all instruments and computer programming (on "Pit-a-Pat")
 * Kang Ji-won – all instruments and computer programming (on "Pit-a-Pat")
 * Joe J. Lee "Kairos" – all instruments and vocal production (on "Next Page")
 * Hobyn "K.O" Yi – all instruments, keyboards, computer programming and vocal production (on "Next Page")
 * Samuel J Lee – bass and vocal production (on "Next Page")
 * Esther Park "Legaci" – background vocals and vocal production (on "Next Page")
 * Bei Zhang – background vocals (on "Next Page")
 * Wes Kosakowski – additional engineering (on "Next Page")
 * Sebastian Thott – all instruments, computer programming and guitars (on "One in a Million")
 * Andreas Öberg – guitars (on "One in a Million")
 * Lee Da-jeong – background vocals (on "One in a Million")