Run-D.M.C. was a pioneering hip hop group during the 1980s founded by Joseph "DJ Run" Simmons, Darryl "D.M.C." McDaniels, and Jason "Jam-Master Jay" Mizell. The group had an impact on the development of hip hop through the 1980s and is credited with breaking hip hop into mainstream music. In 2004, Rolling Stone ranked them number 48 in their list of the greatest musical artists of all time. They have been nominated for possible 2009 induction into the Rock and Roll Hall of Fame