She could hear music playing somewhere.

她听到什么地方在演奏音乐。

《牛津词典》

There is classical music playing in the background.

背景中正在播放古典音乐。

《柯林斯英汉双解大词典》

There was some music playing upstairs. Otherwise the house was silent.

楼上有些音乐声。除此以外，房子里静悄悄的。

《牛津词典》

It enables the user to control the speed and sound levels of orchestral music playing on a computer.

VOA: special.2011.05.11

So then to encourage you to "Pump up your room" they had music playing and this is the kind of music that they had on that flatbed truck.

然后还鼓动你去"律动你的房间",他们还放着音乐,这就是他们在那辆卡车上播放的音乐类型

耶鲁公开课 - 聆听音乐课程节选

These joint undertakings are like,well, you might think of them analogous to playing chamber music with a string quartet.

这种共同行为，就像是用弦乐四重奏演奏室内乐。

耶鲁公开课 - 死亡课程节选

Twisting an imaginary dial to raise the volume of music playing from a radio or TV.

BBC: Digits demo screenshot

He said Chavez has been keeping up his spirits with "llanera" folk music playing in his room.

NPR: Photos Of Hugo Chavez Shown After 2-Month Absence

For example, French inventor Jacques de Vaucanson developed several different types of music playing robots back in the 18th century.

FORBES: The World of Clockwork Robots