Monkeys Appreciate Monkey Music and Metallica

He added, “Music is a human construct designed for humans. Absolutely everything about human music is based on human development and perception, from the speeds of the pulses to how high the melodies are. Every part of human music is based on human appeal.”

To create music with more monkey appeal, Teie composed pieces using specific features in the tamarin calls, manipulating rising or falling pitches and the duration of various sounds. The music was inspired by sounds the tamarins make to convey one of two messages: fear and friendly affiliation.
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Regular human music was also played to the monkeys, which predictably showed little response, except for a very surprising, calming response to the heavy metal band Metallica.