Could the opening and closing of a piano lid be music?

钢琴盖的开合会是音乐吗？

So, David Tudor walked out on stage, sat down at the piano, then closed the piano lid.

于是，大卫·都铎走上舞台， 在钢琴前坐下，然后合上了钢琴盖。

He then sat in silence, only moving to open and close the piano lid between each of the three movements.

然后他静静地坐着，只是在这三个动作之间打开和关闭钢琴盖。