Charles Darwin believed that even human ancestors made musical sounds long before they could speak. Animals are still limited to this form of vocal expression today. Nevertheless, they make music. During a visit to the Yukon in Canada in the late 1990s, artist and cyberneticist Oswald Wiener noticed that sled dogs prefer to do this without an audience. Together with his colleague Helmut Schoener, he built a box in which they placed a recording device. As soon as the pack began to sing, the recording process started on the device hanging from a tree – at a temperature of minus 20 degrees.
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