Tenshi, Ei-chan, and Shiratori all attend Kawagoe Academy. One day, they get pulled into the orbit of former conductor Haruo. He drags them into his newly founded boys choir where they suddenly find themselves performing a song in front of an audience!

Why don't we use it to get a feel for things?
لمَ لا نجرّبها للاختبار؟
Proben wir doch erst mal damit.
Et si vous vous entraîniez avec ?
Facciamo un tentativo
provando a esercitarci con questo.
Para ver como vocês vão,
vamos ensaiar com ela.
Может, пока потренируемся на ней?