Can animals listen to music?

Can animals listen to music? Check out some research results to know the best answer with evident

Listen closely the next time you hear a bird singing, and you may hear rhythms and patterns strikingly similar to those found in human music. Scientists studying these patterns argue that the nature of music may be deeper than previously thought—and may suggest an inherent knowledge of music that is shared by many animals, including humans, birds, and whales.

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, recent and ongoing research shows that animals actually do share our capacity for it. 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.

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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.

To most animals, human music falls into that ungraspable, unrecognizable category. With vocal ranges and heart rates very different from ours, they simply aren’t wired to appreciate songs tailored for our ears. Most studies find that, try as we might to get their legs thumping, animals generally respond to human music with a total lack of interest. That’s why Snowdon has worked with cellist and composer David Teie to compose music that is tailored to suit them.

Back in 2009, the researchers composed two songs for tamarins — monkeys with vocalizations three octaves higher than our own and heart rates twice as fast. The songs sound shrill and unpleasant to us, but they seem to be music to the monkeys’ ears. The song modeled on excited monkey tones and set to a fast tempo made the tamarins visibly agitated and active. By contrast, they calmed down and became unusually social in response to a “tamarin ballad,” which incorporated happy monkey tones and a slower tempo.

Snowdon and Teie have moved on to composing music for cats, and studying how they respond to it.

“We have some work-in-progress where we’ve transposed music and put it in the frequency range for cat vocalizations, and have used their resting heart rate, which is faster than ours,” he told Life’s Little Mysteries. “We find that cats prefer to listen to the music composed in their frequency range and tempo rather than human music.”

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On the basis of their results, Teie has started selling cat songs online (at $1.99 per song) through a company called “Music for Cats.”

Dogs are a tougher audience, mostly because breeds vary widely in size, vocal range and heart rate. However, large dogs such as Labradors or mastiffs have vocal ranges that are quite similar to those of adult male humans. “So, it is possible that they might be responsive to music in our frequency range. My prediction is that a big dog might be more responsive to human music than a smaller dog such as a Chihuahua,” Snowdon said.

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Indeed, some dogs do appear to respond emotionally to human music. Research led by Deborah Wells, a psychologist at Queen’s University Belfast, shows that dogs can discern between human music of different genres. “Our own research has shown that dogs certainly behave differently in response to different types of music, e.g., showing behaviors more suggestive of relaxation in response to classical music and behaviors more suggestive of agitation in response to heavy metal music,” Wells wrote in an email.

Considering the great demand for new ways to please our pets, more progress is likely to be made in the field of animal music. But no matter how well composers perfect their dog, cat and monkey songs, the animals will probably never appreciate their species-specific music quite as much as humans appreciate ours. According to Snowdon, they lack an important musical ability that we possess: relative pitch.

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