The document discusses how sampling was integral to the creation and development of early rap music. It provided three key points: 1) Rap music was more creative when songs incorporated samples of older music, 2) Sampling introduced younger listeners to classic songs of the past, and 3) It helped launch the careers of producers like Dr. Dre and DJ Premier who broke new ground in the music industry. While recent rap trends have moved away from sampling, the document argues that sampling still enhances rap music's creativity and ability to pay homage to musical history.