American singer Stevie Nicks, of the group Fleetwood Mac, performs onstage at the Alpine Valley Music Theater, East Troy, Wisconsin, July 19, 1978. (Photo by Paul Natkin/Getty Images)
American singer Stevie Nicks, of the group Fleetwood Mac, performs onstage at the Alpine Valley Music Theater, East Troy, Wisconsin, July 19, 1978. (Photo by Paul Natkin/Getty Images)