T-ara albums
T-ara's first extended play (EP) was released in 2010. It is called Temptastic. It lead to two Gaon top five singles. These were What's Wrong () and Yayaya. In  2011 T-ara released the EP called John Travolta Wannabe (). It made it to number three on the Gaon Album Chart. It lead to the single Roly-Poly, which made it to the first place on the Korea K-Pop Hot 100 chart. It became the highest-selling digital single of 2011 in South Korea. It had over four million digital downloads.