EAST RUTHERFORD, NJ - JULY 17: Actor Michael J. Fox (L) performs onstage with recording artist Chris Martin of Coldplay during the Coldplay "A Head Full of Dreams" Tour at MetLife Stadium on July 17, 2016 in East Rutherford, New Jersey. (Photo by Kevin Mazur/Getty Images for Atlantic Records)
Michael J. Fox suffers from Parkinson’s disease but manages an amazing performance of the Chuck Berry Hit “Johnny B Goode” used in the movie “Back To The Future” to the delight of the crowd.