t.A.T.u. - Я сошла с ума (Ya Soshla S Uma)

"Ya Soshla S Uma" - literally "I have lost my mind" - the very first single of t.A.T.u. (which was called "Tatu" back then) - that became a breakthrough on Russian pop music market, and brought worldwide success to the group later on.
First appeared as a single in fall of 2000.
Russian edit.