It all began ten years ago. D2s attacking Boston, a blood-soaked concert hall: The incident known as the Boston Tragedy. The conductor who lost his life in that tragedy was none other than Kenji Asahina, Takt's father. After losing his father, the boy decides to devote himself to playing the piano and he lets his rage play through his melodies. The one who took care of him was a girl named Cosette, who looked just like Destiny.
but changed their tune as soon 
as I mentioned the piano.
لكن غيّروا موقفهم حالما ذكرتُ البيانو
aber als ich das Klavier ansprach,
sind sie immer ausgewichen.
pero pusieron pegas
cuando mencioné el piano.
pero pusieron pegas
cuando hablé del piano.
mais ils ont rouspété
dès que j’ai parlé de piano…
ma quando ho citato il pianoforte
hanno cambiato tono.
mas mudaram totalmente o
discurso quando falei sobre piano.
а как про рояль услышали — 
заартачились.