Girl groups T-ARA, f(x), After School, and SISTAR collaborated on a performance.

On the July 15th episode of SBS's 'Inkigayo,' the 4 girl groups put on a 'lady on the beach' themed performance and blew the heat away for all viewers. All the groups' members participated in creating the new medley. 

This was the first episode of 'Inkigayo' after they removed the award of "Mutizen Song," which allowed fans to pick their favorite song. Super Junior, 2NE1, f(x), Psy, SISTAR, Jang Woo Young, T-ARA, Jo Kwon, After School, Gilmi and Eun Ji Won were some of the artists on stage that night.