A real university lecture on the origins of the Hip Hop movement, for those who could potentially have missed it, given by a duo of professional clowns, who, like the Master of Ceremonies (MC), will abuse the art of smooth talking and digression, as no one should be allowed to do. And yet, under the veneer of the joke, it is a faithful, thorough and sincere account of the beginnings and the blows of the first heroes of a culture that was to reshuffle the cards of show business like no other musical trend.