[Lirange]

I know but they could've still kept her vocals for the "you better run run run run run" part. It sounds EXACTLY like Kesha to me. If you start the demo at 0:54 then after you listen to the runs, start the snsd at 0:56. It sounds extremely similar.

Ke$ha - Run Devil Run (Lyrics On Screen) - YouTube

Girls' Generation(소녀시대) _...