Instrument classifications (IMAGE) Max Planck Institute of Geoanthropology Caption Aerophones are the most common instrument class in South America, making up almost half of the musical instruments in the proposed classification. Chordophones were not present in the Indigenous musical history of the Americas, as they have been introduced after the contact with the Europeans. Credit Aguirre-Fernández et al., 2021 Usage Restrictions Use of images is limited to editorial coverage of scientific topics relating to the activities of the Max Planck Society. Any kind of commercial use (including, in particular, the exploitation of images by means of sale or incorporation in image databases or image catalogues) as well as any promotional use/use for merchandise purposes, disclosure to third parties or granting of related rights to third parties is expressly not permitted. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.