24 pieces of vessels (glass cup or ceramic saucer etc…) and same pieces of vibration plates set(attached) on each vessels. Vibration plate is like a speaker, so playback sine wave from an audio generator (oscillator). Shifting the frequency(pitch of sound) slightly. The plates are shaking on the surface of vessels according the frequency. It is small sound but many kind of sounds occurs according frequency and shape of vessels surface.
About Toshiya Tsunoda
Tsunoda is a sound creator known for his using environmental sounds as a motif. From the late 1980s he began working in the plastic arts and doing field recordings and continued to produce highly experimental sound works. He is particularly highly acclaimed abroad, frequently producing works for sound art exhibitions, and releasing CDs from various country's labels.
24件容器 (玻璃杯或陶瓷碟子或其它)、 固定在每个容器上的相同大小的振动板。振动板就像是一个扬声器，能回放从音频发生器（发振器）发出的正弦波。 轻微地调动频率（声音间距），振动板就根据这个频率在容器的表面摇晃。它只制造出微小的声音，但许多种声音会依据频率及容器表面的形状而产生。
关于角田俊也
角田俊也 是一个以运用环境中的声音作为其作品主题而闻名的声音创造者。自20世纪80年代后期起，他开始进入“造型艺术” 领域，做一些实地记录的工作，以及持续地创作高度实验性的声音作品。他特别地受到国外艺术界的赞誉，经常为一些声音艺术展创作作品，同时，他也在不同的国家发行唱片。