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!
I suppose there's no helping it. 
If candy doesn't work...
...ليس باليد حيلة، إذا لم تفلح الحلوى
Tja, wenn Zuckerbrot nicht hilft, …
Qué remedio.
Si los caramelos no funcionan…
Qué remedio.
Si los caramelos no funcionan…
Mince. Si le sucre
ne peut pas nous aider…
C’è poco da fare.
Paciência.
Já que doce não resolve...
Ничего не попишешь. 
Раз уж конфеты не помогли...