Block 21 of Story of E.A.T. Part I (Q24655)

In this photograph David Tudor and Fred Waldhauer set up Tudor’s piece Bandoneon ! on the performance platform. Ten different types of microphones were attached to the bandoneon and picked up the sound which was distributed to four different processing devices. The first was a forty-channel filter circuit. Twelve of its output channels were fed to the 12 speakers; the remaining channels ac...