Here, take this....

In a Landscape (1948) performed by Yundu Wang, a student of Hung-Kuan Chen and Vivian Hornik Weilerstein
Using muted piano, Chinese cymbal, and two variable-speed turntables playing a frequency record and a constant note record, this is believed to be one of the earliest electroacoustic works ever composed.
Under the rubric of “Cage.88@100,” NEC’s piano department chair Bruce Brubaker and project director Stephen Drury brought together piano students from the entire spectrum of NEC’s teaching studios for a series of concerts top celebrate the Cage Centennial .
Recorded live in New England Conservatory’s Jordan Hall Fenruary 6, 2012