Is music enriching for group-housed captive chimpanzees (Pan troglodytes)? Wallace, Emma K. ; Altschul, Drew ; Körfer, Karoline ; Benti, Benjamin ; Kaeser, Amanda ; Lambeth, Susan ; Waller, Bridget M. ; Slocombe, Katie E. Abstract Publication: PLoS ONE Pub Date: March 2017 DOI: 10.1371/journal.pone.0172672 Bibcode: 2017PLoSO..1272672W