On May 19, 1990, French rap pioneers Lionel D and DJ Dee Nasty performed on the stage of La Clef in Saint-Germain-en-Laye for what would be one of the first French rap concerts whose stage was in operation. full structuring. For more than 80 minutes, Dee Nasty plays scratches and instrumentals while Lionel D on the microphone alternates studio pieces, egotrips, freestyles on the social themes of the time and improvisations with the public.