Answer
Ivan Shapovalov, a Russian music producer, selected Lena Katina and Julia Volkova to form the pop duo t.A.T.u. in 1999. He envisioned a controversial and provocative group that would challenge societal norms and push the boundaries of music. Katina and Volkova's contrasting personalities and vocal abilities complemented each other, creating a unique and captivating sound that resonated with audiences worldwide.