By Thom Donovan
By Matt Friedlander
By Em Casalena
By Jacob Uitti
By Jim Beviglia
By Alex Hopper
By Catherine Walthall
By Peter Burditt
By Tina Benitez-Eves
By David Hollerith
By Davis Inman
Michael McDonald and Christopher Cross in a still from the HBO documentary 'Yacht Rock' (Courtesy of HBO)
