TTL (Time to Love)
"TTL (Time To Love)" is the first collaboration single released by South Korean groups T-ara and Supernova. The single was released digitally on September 15, 2009. It was re-released on T-ara's first album Absolute First Album and later on its re-issue Breaking Heart. An alternate/remix version of the song titled "TTL Listen 2" was released a month later. Background and release 
"TTL (Time To Love)" is the first project single between T-ara and Supernova. Although both groups are credited on the song, only So-yeon, Eun-jung, Hyomin, and Jiyeon (from T-ara) and Kwangsoo, Jihyeok, and Geonil (from Supernova) participated in the song. Members Bo-ram and Qri starred in the music video instead. It was Supernova's first release in two years. The single's success prompted Core Contents Media to produce the sequel entitled "TTL Listen 2", an alternate/remix version of the TTL. It was released on October 9 featuring all members from both groups. Originally it was scheduled to be released on the 13th, but due to high fan demands, the groups' agency, CCM, decided to release it 4 days ahead of schedule. Both songs were re-released on T-ara's first album Absolute First Album and later on its re-issue Breaking Heart. The Japanese version of the song "TTL (Time To Love)" was included in the first Japanese album of T-ara. This version is sung only by the members of T-ara. Commercial performance 
"TTL" was an instant hit topping all Korean charts upon release including Cyworld's BGM chart and Nate's ringtone chart. It ended up as one of the best performing songs of the year despite being released in September. It ranked at number 15 on Melon's yearly chart and at number 9 on Dosirak. It also re-charted on the newly launched Gaon's digital singles in 2010. Its music video reached over 110,000 and climbed up to number 1 on the chart within a day of its release and reached over 1.1 million views in its first two weeks. "TTL Listen 2" also charted on GOMTV's top popular music videos 30 minutes after release with over 50,000 views. Promotion and live performances 
"TTL" was performed for the first time on Mnet's M Countdown on September 17. The groups performed "TTL Listen 2" for the first time at the annual Dream Concert on October 10, 2009. T-ara and Supernova held a special concert titled "TTL Concert" in Japan on June 3, 2010, at Yokohama Britz Hall. The event was sponsored by local restaurant chain Gusto as part of promoting their new Korean menu. The two groups advertised the food chain starting from March of the same year. The concert was attended by more than 1,000 spectators. A total of nine songs were performed at the concert. The 2 groups held the second "TTL Concert" in Japan in July 2012. In popular culture 
In October 2009, the song was chosen as the theme for the commercial film promoting Gusto; one of the largest restaurant chains in Japan with 1,000 stores nationwide. T-ara and Supernova acted as models for the campaign receiving US$900,000 each as compensation. A press conference was held to commemorate the launch of the campaign with about 140 Japanese media officials, including TBS TV, participating in the contract-signing ceremony. Japanese singer Nami Tamaki remade the song for her album Missing You~Time to Love. The song was also used in several commercials including for Japanese restaurant chain Gusto. In addition, 2 concerts were held in 2010 and 2012 in Japan. The song made its game debut on Pop'n Music. Accolades 
In 2017, SBS PopAsia named "TTL (Time to Love)" number 1 in their list of the best T-ara singles. Charts

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References 

T-ara songs
2009 songs