Roly-Poly (T-ara song)

"Roly-Poly" is a song by South Korean girl group T-ara. It was taken from their second mini album John Travolta Wannabe which was released on 29 June 2011. The song was written and produced by Shinsadong Tiger and Choi Kyu-sung, who were also behind the group's 2009 song "Bo Peep Bo Peep". "Roly-Poly" won three weekly music program awards on M Countdown and Inkigayo. Only a month after release, the song accumulated over US$2.3 million in digital sales with over $280,000 per day. Despite peaking at number two on the Gaon Digital Chart, it went on to become the best-selling song of 2011 in South Korea with over 4,000,000 digital downloads, the highest figure for a K-pop girl group single on Gaon in the 2010s.

Roly Poly
"Roly-Poly" was released on 29 June 2011, as the lead single of T-ara's John Travolta Wannabe with 3 different music videos, a short dance version, a long drama version and special version made by CCM that compiled several covers of the song from fans around the world and was titled "Roly Poly Version 3". The song was revealed to be viewed in over 70 countries.

Roly Poly in Copacabana
A remix of the song titled "Roly-Poly in Copacabana" was released on 2 August and was used for the group's follow up promotions. In 2012, The song was re-released in Japanese on 29 February 2012, as the group's third single. Stereogum ranked the music video of the song No. 12 on its list of 20 Best K-pop videos. It was named the fourth best K-pop song by Edge Media.

Roly Poly Japanese version
The song was re-released in Japanese on 29 February 2012, as the group's third single in the Japanese market. The single peaked at 3 on Oricon and at 5 on Billboard Japan Hot 100.

Critical reception
Since its release, the song has received positive reviews from critics. The song was listed among the best hit songs of the last decade and of all time by multiple local and international publications. Chinese media Sina Music described "Roly-Poly" as the most dazzling retro dance music recently, "and it has the strength to bring the retro style back again".

In 2021, Gabriela Caeli Sumampow of Vice included Roly Poly in her "bubbly K-pop" guide on "The Guide to Getting Into K-Pop, South Korea's Record-Breaking Pop Music". PopMatters gave "Roly-Poly" a positive review; "Its success propelled (or coincided with) the start of a disco trend in K-pop, as heard later in songs like Dal Shabet's "Bling Bling" (2011) and Nine Muses's "Figaro" (2011). The magazine also referred to the song as "one of the catchiest K-pop songs ever made".

Commercial performance
On the Gaon Digital Chart dated 26 June 2011, "Roly-Poly" debuted at number three, before descending to number eight the week after. On its third week it bounced back to number two, the song's peak on the chart. "Roly-Poly" managed to hold at the runner-up slot for two more weeks (stuck behind three different songs nonetheless), before descending down the chart. Despite never topping the weekly or monthly chart and having a little less than half a year to chart, "Roly-Poly" managed to become the best-performing song of the year on the Gaon Digital Chart.

In popular culture
"Roly-Poly" appeared on multiple South Korean television series and films since its release including in the first episode of the KBS's Dream High 2 in 2012. The song was also played in the 2011 horror movie Gisang Spirit. In 2017, the song was played on the 7th episode of the KBS drama Manhole. The song was covered on the 2019 TV series Welcome To Waikiki 2. It was also played on the 5th episode of the 2020 SBS drama Backstreet Rookie in a form of karaoke. In 2021, it was played in the first episode of the webtoon-based drama Work Later, Drink Now. The same year, its Japanese single album appeared on KBS2's drama Cheat on Me If You Can.

Legacy
Since its release, "Roly-Poly" achieved nationwide popularity due to its retro influences and outfits. The song's popularity spread with T-ara's constant promotion overseas. Since then, the song has been played in several TV series, films and campaigns. K-pop artists such as Oh My Girl, Itzy, Wanna One, Mamamoo, Davichi, STAYC, Iz*One, DKZ covered the song on different occasions.

In March 2012, "Roly-Poly" was used as a representative political campaign song by the Saenuri Party ahead of the 19th general election of South Korea. It was reported that more than were spent to use the song in addition to the  copyright fees and production costs. In September 2012, popular comedian Kim Shin-Young performed a parody of the song on MBC's "World-Changing Quiz" on Chuseok special episode which gathered attention for the unique stage presented by the comedian. On 24 December 2012, Gag concert members Park Ji-sun, Jang Do-yeon, Oh Na-mi, Kim Min-kyung, Park Na-rae, Heo Min, Park So-young, Heo Anna and Ahn So-mi covered the song on 2011 KBS Entertainment Awards.

In June 2017, South Korean girl group G-reyish released a new song named "ohnny GoGo" using the same disco style of the 1980s and modern pop music elements. In an interview with "FN News", the group said "T-ara presented the concept of retro after going through many activities [...] we hope that we can present a retro style as soon as we debut, so that fans can be impressed by us in the future". Member Yena Jung also said, "It's something I'm grateful for just being mentioned with T-ara." On 17 May 2019, the song was covered by a group of female university professors called "SSAM" at the '28th Gamatbee University Festival'. The event was held at Gumi University. In May 2021, during their release showcase, girl group Rocket Punch revealed that they took "Roly-Poly" and its performances as an influence for their 80s inspired song "Ring Ring", where they said "If you look at the stages, there are many things we can imitate from the props and gestures."

Our Youth, Roly Poly
The song also received two musical adaptations in 2012. "Roly-Poly" was made into a stage musical starring T-ara's Hyomin, Jiyeon and Soyeon, Kang Min-kyung (Davichi), Jang Hye-jin (I Am a Singer), veteran musical actress Park Hae-mi, Han Ji-sub, Kim Jae-hee and Yoon Young-joon. The first press conference for the musical was held on 4 January at the Seoul Press Center. Due to the success of the musical, another one was produced and premiered on 2 May 2012. However, the T-ara members did not participate in it due to their busy schedules.