Many pet owners leave their home radios playing all day for the listening pleasure of their dogs and cats. Station choices vary. "We have a very human tendency to project onto our pets and assume that they will like what we like," said Charles Snowdon, an authority on the musical preferences of animals. "People assume that if they like Mozart, their dog will like Mozart. If they like rock music, they say their dog prefers rock."
Against the conventional wisdom that music is a uniquely human phenomenon, ongoing research shows that animals actually do have the capacity for music. But rather than liking classical or rock, Snowdon, an animal psychologist at the University of Wisconsin-Madison, has discovered that animals march to the beat of a different drum altogether. They enjoy what he calls "species-specific music": tunes specially designed using the pitches, tones and tempos that are familiar to their particular species.
With no pun intended, music is all about scale: Humans like music that falls within our acoustic and vocal range, uses tones we understand, and progresses at a tempo similar to that of our heartbeats. A tune pitched too high or low sounds grating or ungraspable, and music too fast or slow is unrecognizable as such.
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