People are confused. Rap is the lyrical form that comes of Hip-Hop and other musical forms such as Funk and Jazz. James Brown, Millie Jackson and even boxer Muhammed Ali can be considered proto-rappers. But presently, not all rappers can say they are Hip-Hop...well nothing that pertains to its true foundations. Here are some jams to show you the difference.
TRUE SKOOL KEEPERS OF THE ART
FRAUDSTERS DESTROYING THE CULTURE
OLD SKOOL VS NEW SKOOL