Taki decides that the band will choose the euphonium soli player by voting on one final audition. Kumiko then decides that they should choose based on sound alone, and so the two of them audition anonymously.
Kousaka-san, you can begin 
when it's appropriate.
‫كوساكا-سانا، يمكنك البدء متى أردت.
Kōsaka-san.
Du gibst das Timing vor.
Kousaka, comienza cuando quieras.
Kousaka, comienza cuando quieras.
Kôsaka,
Kousaka.
Kousaka-san, você pode
começar quando for apropriado.
Косака, можешь начинать в любой момент.