''Day by Day'' is the fourth

extended play An extended play record, usually referred to as an EP, is a musical recording that contains more tracks than a single but fewer than an album or LP record.

by South Korean girl group

T-ara T-ara (; ko, 티아라) are a South Korean girl group formed by MBK Entertainment in 2009, consists of four members: Qri, Eunjung, Hyomin and Jiyeon. T-ara's career is marked by hook-heavy dance-pop music, a result of their close partner ...

, released on July 3, 2012, by

Core Contents Media MBK Entertainment (), was a South Korean entertainment company established by Kim Kwang-soo. The company was originally founded in 1999 as GM Planning. The company was absorbed by Mnet Media in 2006, following Kim Kwang-soo joint with CJ Group a ...

. The album marked the first appearance of the group's eighth member, Areum, and the last appearance of member Ryu Hwayoung. A repackaged version of the EP, titled ''Mirage'', was released on September 4, 2012. "Sexy Love" was released as the lead single from the ''Mirage'' repackage.

Background and release

Day by Day

On June 13, 2012, Core Contents Media announced that the group would be releasing a new EP entitled ''Day by Day'' on July 3. The EP marked the debut of T-ara's eighth member, Areum. Both the EP and its title track were released on July 3. " Day by Day" was written by Kim Tae-Hyun and produced by Cho Young-soo and Ahn Young-min, who have all previously worked with T-ara on songs such as "Cry Cry" and "Neo Ttaemune Michyeo". Before its official release, a choreography video in which "Day by Day" can be heard in was leaked onto YouTube in late May 2012. The music video for " Day by Day" was directed by Cha Eun-taek in Seoul, South Korea. It was announced on June 12, 2012, as a 20-minute music video drama starring the group themselves in a

science-fiction Science fiction (sometimes shortened to Sci-Fi or SF) is a genre of speculative fiction which typically deals with imaginative and futuristic concepts such as advanced science and technology, space exploration, time travel, parallel univers ...

setting; reminiscent of the movie ''

Mad Max ''Mad Max'' is an Australian post-apocalyptic Action film, action film series and media franchise created by George Miller (filmmaker), George Miller and Byron Kennedy. It began in 1979 with ''Mad Max (film), Mad Max'', and was followed by thre ...

''. A large amount of work was needed to complete the

computer graphics Computer graphics deals with generating images with the aid of computers. Today, computer graphics is a core technology in digital photography, film, video games, cell phone and computer displays, and many specialized applications. A great de ...

featured in the video, which caused its release to be delayed by 13 hours. The second part of the music video was released in August, 2012.The music video was included in "Top 5 Music Videos of the Week" list by ''

Stereogum ''Stereogum'' is a daily Internet publication that focuses on music news, reviews, interviews, and commentary. The site was created in January 2002 by Scott Lapatine. ''Stereogum'' was one of the first MP3 blogs and has received several award ...

''.

Mirage

A repackaged version of the EP, titled ''Mirage'', was released on September 4, 2012. It contained two additional tracks, the singles "

Sexy Love "Sexy Love" is the fourth and final US single and the second and final international single released from American R&B singer Ne-Yo's debut album, ''In My Own Words'' (2006). The song reached number seven on the ''Billboard'' Hot 100. In the U ...

" and "Day and Night (Love All)" (낮과 밤; ''Najgwa Bam'').

Japanese version

A Japanese version of "Day by Day" was digitally released on September 26, 2012, and was included as a B-side on their fifth Japanese single, a Japanese version of "Sexy Love".

Commercial performance

"Day by Day" reached number two on the Gaon Weekly Digital Singles Chart and the Billboard Korea K-Pop Hot 100. The song ranked among the best selling singles of the year with nearly 2,150,000 copies sold in South Korea alone by the end of 2012. "Sexy Love" was also a commercial success peaking at number three on Billboard Korea Hot 100 songs chart and selling nearly 1,550,000 in 2012. The Japanese version of "Day by Day" peaked at 16 on

Billboard Japan Hot 100 The ''Billboard Japan'' Hot 100 is a record chart in Japan for songs. It has been compiled by ''Billboard Japan'' and '' Hanshin Contents Link'' since February 2008. The chart is updated every Wednesday at Billboard-japan.com ( JST) and every Thur ...

Background and release

Day by Day

Mirage

Japanese version

Commercial performance

Track listing

Mirage

Charts

''Day by Day''

''Mirage''

Singles

Sales

Release history

References