Kanye West and Jay-Z perform onstage at The Cosmopolitan Grand Opening and New Year's Eve Celebration on December 31, 2010 in Las Vegas, Nevada. Kevin Mazur/Getty hide caption

itoggle caption Kevin Mazur/Getty

Marvin Gaye (at left), pictured here circa 1964, at the age of 25. At right, the 24-year-old rapper Drake. Gaye died in 1984, two years before Drake was born. Charlie Gillett Collection (left) / Frederick M. Brown/Getty Images hide caption

itoggle caption Charlie Gillett Collection (left) / Frederick M. Brown/Getty Images