Billy Joel revealed doctors told him playing rock 'n' roll music very loud was like a concussion every show, causing damage to his brain nerves.
https://www.foxnews.com/entertainment/billy-joel-loud-rock-concerts-damaged-nerves-brain-surgery-nph-diagnosis
https://www.foxnews.com/entertainment/billy-joel-loud-rock-concerts-damaged-nerves-brain-surgery-nph-diagnosis