Translation of "Orchestra" in Chinese

I'm going to join the school orchestra.

我打算加入學校的管弦樂團。

The orchestra makes discordant noises when tuning up.

乐队合音的时候会出现不和谐的音。

This is the fifth concert by this orchestra.

這是管弦樂團的第五場音樂會。

Do you know the concert schedule of London Symphony Orchestra?

你知道伦敦交响乐团的演奏会行程吗？