大厅里的那架旧钢琴严重走调。

The old piano in the hall is badly ___out ___of ___tune.

如果你唱歌走调也不用担心——玩得开心就好！

Don't worry if you sing ___out ___of ___tune - just enjoy yourself!

吉他手太紧张了，演奏得完全走调了。

The guitarist was so nervous that he played completely ___out ___of ___tune.