It's time for the choir to start rehearsing in earnest, but the AC is broken and it's too hot to think. They move to somewhere cooler, and Rika gives them a song to hone their rhythm. Then, they're swept up in a series of inexplicable events!
Honestly, Hibiki-sensei. 
Where have you been?
يا إلهي، أين كنت يا هيبيكي-سينسي؟
Aha, Herr Hibiki!
Wo waren Sie bitte?
Hibiki, ¿dónde te habías metido?
Hibiki, ¿dónde te habías metido?
– He gotta stay alive
– M. Hibiki, vous étiez où ?
Uffa, professor Hibiki!
Ma dove ti eri cacciato?
Credo, Prof. Hibiki.
Aonde você foi?
Ох, Хибики. 
И где же вы были?