Diadems, the wait is over: T-ara's newest title track, "Roly Poly", is finally available for your aural pleasure! The girls' newest concept is refined 1970s club-hoppers, and the track's mellow beat and subtle electronic touch are enough to transport any listener to the times of flashing disco balls and Saturday Night Fever. Check it out below, and stay tuned to allkpop for the imminent release of the music video!