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I conceived of an instrument that would create sound without using any mechanical energy, like the conductor of an orchestra. The orchestra plays mechanically, using mechanical energy; the conductor just moves his hands, and his movements have an effect on the music artistry.

我设想了一种不用任何机械能就能发出声音的乐器，就像管弦乐队的指挥一样。管弦乐队用机械能演奏;指挥家只是动动手，他的动作对音乐的艺术性产生了影响。

— Leon Theremin 特雷门