ST. PAUL, MN – JULY 28: Richard Marx performs at Riverfest in St. Paul, Minnesota on July 28, 1989. (Photo by Jim Steinfeldt/Michael Ochs Archives/Getty Images)
LAS VEGAS, NV – MAY 25: Singer Cher performs at the MGM Grand Garden Arena during her Dressed to Kill tour on May 25, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)
British musician Keith Richards of the Rolling Stones performs on stage during the band's 'Steel Wheels' tour, late 1989. (Photo by Paul Natkin/Getty Images)
NEW YORK, NY – SEPTEMBER 23: Kenny Chesney performs on NBC's "Today" at the NBC's TODAY Show on September 23, 2014 in New York City. (Photo by D Dipasupil/FilmMagic)
