The principal has found an interesting video on NewTube. She has Rika and Haruo listen to it. Haruo decides that since the singers are more "yes" than "no," he needs to find them and add them to the choir. But the choir will have to catch them first!
Of course! A genius conductor
never goes back on his word.
بالطبع، لا يُخلف قائد الأوركسترا العبقريّ بوعده أبداً
Aber klar doch.
Por supuesto. Un genio
siempre mantiene su palabra.
Por supuesto. Un genio
siempre mantiene su palabra.
Évidemment.
Naturalmente.
É claro.
Конечно! Слово 
гениального дирижёра — цемент.