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Story summary
- Kyoto University researchers observed chimpanzee Ayumu creating structured musical performances by removing floorboards and drumming.
- Over 89 sessions, Ayumu displayed complex rhythms and vocal-like expressions.
- A 'play face' indicated positive emotions, and the rhythms were more stable than those from limbs.
- The study, published in the Annals of the New York Academy of Sciences, examines social effects and whether Ayumu's ability is unique or widespread among primates.
