Otoacoustic Emissions before and after Listening to Music on a Personal Player
Bartosz Trzaskowski, W. Wiktor Jędrzejczak, Edyta Piłka, Magdalena Cieślicka, Henryk Skarżyński
Med Sci Monit 2014; 20:1426-1431
http://www.medscimonit.com/abstract/index/idArt/890747

The main aim of this study was to investigate whether listening to music on a CD player affects parameters of otoacoustic emissions. A group of 20 adults with normal hearing were tested. No statistically significant changes in either OAE parameters or PTA thresholds were found.