Anna and Destiny happen to see a town destroyed during their travels. D2s are awakening everywhere and attacking various towns and people, reverting the world back to four years ago, before Sagan's Declaration. As the threat from the D2s grew, Takt was obsessing over something. With a blank staff notation in front of him, Takt plays an imaginary keyboard as he desperately tries to create something.
From that, I would guess that the 
composing is not going very well.
من خلال ذلك، يمكنني التّخمين بأنّ
التأليف لا يسير على ما يُرام
Je suppose que vous éprouvez
des difficultés à composer.
Ne deduco quindi che la composizione
di musica non stia andando bene.
Com isso, posso imaginar que a
composição não está indo bem.
Полагаю, написание композиции
продвигается без особых успехов.