Starkey Hearing Foundation Hearing Mission With Hollywood Vampires - Rock In Rio Lisboa 2016 [Getty Images]

LISBON, PORTUGAL - MAY 27: Joe Perry, Johnny Depp and Alice Cooper work with a patient of the Starkey Hearing Foundation at Four Season Hotel Ritz Lisbon on May 27, 2016 in Lisbon, Portugal. (Photo by Pedro Gomes/Getty Images for Starkey Hearing Foundation)

Getty Images Entertainment Pedro Gomes