Think of the transfixingly strange Scherzo of the Fifth Symphony, when the music effectively stops moving and the timpanist drums lightly on the note C like a finger tapping on a pane.

想想第五交响曲谐谑曲中奇怪终止地方，当音突然停止时，定音鼓手轻轻C音，就像用手指轻方格一样。