The driving force behind Kalafina is anime soundtrack composer Yuki Kajiura, who picked several talented (and beautiful) female singers to perform her dance-pop and operatic pop tunes. Kalafina were initially tied to the anime adaptation of the Kara No Kyoukai novels, with which Kajiura was involved around 2008, when she invited Wakana Ootaki and Keiko Kubota from FictionJunction to sing the themes from the series. The idea caught on, as the debut single "Oblivious" released by Kalafina in 2008 charted in the Top Ten, its success prompting Sony Music Japan to hold a 30,000-par...