Silent onstage communication is key, and each pianist has their own style of "nodding" to indicate a page turn which they need to practise with their page turner.
台上的无声交流是关键，每个钢琴家都有自己的“点头”风格，以表示翻页，他们需要与翻页者一起训练。
2
The tiny joystick has been replaced by cellphone-like four-way control buttons, and the page-turn Forward and Back buttons, which flank both edges, are silent now, for the benefit of sleeping spouses.