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".[1][2]
The track list for Twicecoaster: Lane 2 was revealed on February 12. It contains thirteen tracks: the seven songs from the original release, two additional new songs, a remix version and instrumental of "TT", and 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.[3][4][5][6]
Two music video teasers for "Knock Knock" were released on February 17 and 18 at midnight. The first teaser started with the sound of a 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.[7][8]
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.[9] The album, along with the music video for "Knock Knock", was officially released the next day.[10] It was also released as a digital download on various music sites.[11][12]
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".[13]
The next day, Twice recorded their appearance on You Hee-yeol's Sketchbook, their first variety show for Twicecoaster: Lane 2. The group's appearance aired on February 25 and was included in the show's special monthly episodes with the concept "Songs I want to sing for those in their 20s."[14][15]
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.[24][25][26][27] The album sold 266,645 units in February 2017.[28]
^Seon, Mi-kyung (February 18, 2017). "트와이스, 귀여움 더한 총총스텝..'낙낙' 티저 공개". OSEN (in Korean). Archived from the original on June 13, 2021. Retrieved February 18, 2017 – via Naver.
^Kim, Mi-ji (February 24, 2017). "'뮤직뱅크' 트와이스, 들어도 계속 듣고 싶은 '낙낙'". Xports News (in Korean). Archived from the original on June 13, 2021. Retrieved February 24, 2017 – via Naver.
^Lee, Ah-young (February 25, 2017). "'음악중심' 트와이스, 심장을 두드리는 깜찍한 노크 '낙낙'". Xports News (in Korean). Archived from the original on October 27, 2017. Retrieved February 26, 2017 – via Naver.
^"2017년 08주차 Album Chart". Gaon Music Chart (in Korean). Korea Music Content Industry Association. Archived from the original on March 3, 2017. Retrieved March 12, 2017.
^"World Albums". Billboard. Billboard. Archived from the original on 2017-05-17. Retrieved March 12, 2017.
^"2017년 08주차 Digital Chart". Gaon Music Chart (in Korean). Korea Music Content Industry Association. Archived from the original on December 27, 2019. Retrieved March 12, 2017.
^"2017년 02월 Album Chart". Gaon Music Chart (in Korean). Korea Music Content Industry Association. Archived from the original on January 26, 2017. Retrieved March 12, 2017.
^"2017년 08주차 Album Chart". Gaon Chart (in Korean). Korea Music Content Industry Association. Archived from the original on March 3, 2017. Retrieved March 4, 2017.
^"World Albums". Billboard. Archived from the original on 2017-05-17. Retrieved March 4, 2017.
^"2017년 Album Chart". Gaon Chart (in Korean). Korea Music Content Industry Association. Archived from the original on September 5, 2019. Retrieved January 13, 2018.
^"올해의 가수 (앨범) 후보자" [Artist of the Year (Album) nominees]. 7th Gaon Chart Music Awards 2017 (in Korean). KMCA. Archived from the original on February 16, 2018. Retrieved February 16, 2018.
