Taki-sensei's proposal relieves the upset within the band, and everyone returns to practicing. Reina no longer isolates herself either, much to Kumiko's relief. But then she sees Yuko, who's been antagonizing Reina, speaking with her.
It isn't the music room.
هذه ليست غرفة الموسيقى
Das hier ist nicht das Musikzimmer.
No estamos en la sala de música.
No estamos en la sala de música.
On est pas 
dans la salle de musique.
Non siamo nell'aula di musica.
Aqui não é a sala de música.