Please pitch the tune in a lower key.

请把调门儿定低点儿。

《新英汉大辞典》

These actions include things like depressing a key (NoteOn), releasing a key (NoteOff), changing a synthesizer program or patch setting and movement of a pitch wheel to alter a note's pitch.

这样的操作包括按键 (NoteOn)，释放键件 (NoteOff)，更换合成器程序或者修补齿轮的设置或者移动齿轮来改变音符的音调。

youdao

But when they are off key or sing at the wrong pitch, the device will exaggerate their mistake so that they can hear it in a pair of earphones they are wearing.

但是，当他们跑调或唱错音高时，这个设备就会放大他们的错误，这样他们就能从自己戴着的耳机中听到了。

youdao

What else? Strongly felt tonal key, which is called-- I don't know if I mentioned this or not-- the tonic key, the tonic pitch, the tonic pitch there, and this idea of the direction of the music.

还有什么,强烈感受到的主调,它叫什么来着,我不确定我是否已经提及到了,主调,主音高,包括了主音高,还有音乐走向的观点

耶鲁公开课 - 聆听音乐课程节选

I don't really care what key he's in 'cause I don't have absolute pitch, but I can find well, maybe it's a I,VI,IV,V,I chord progression or a I, I IV V I V,I progression or I,IV,V,I.

我也不需要知道他所用的调号，因为我不知道确切的音高，但是我能听出其中的和声，可能是一个，I，VI，IV，V，I级的和声进行，或者，是一个I，V，I的进行，或者。

耶鲁公开课 - 聆听音乐课程节选

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