Kumiko enters Kitauji High School having been unable to forget what Reina said at a middle school concert band competition. She goes to visit the concert band at school along with classmates Hazuki and Sapphire, where they meet Reina again.
It's a brass instrument.
إنّها آلة نحاسية
Das ist ein Blechblasinstrument.
Un instrumento de viento.
Un instrumento de viento.
C’est un instrument, 
un cuivre.
Fa parte degli Ottoni.
É um instrumento de metal.