T.A.T.u.

T.a.T.u was a Russian "girl group" consisting of singers Julia Volkolva and Lena Katina. The band was primarily active in the early 2000s, but didn't officially break up for good until 2014. The band's song "Running Blind (Transformers Remix)" was included as a bonus track on the Russian release of Dark of the Moon: The Album.