This document discusses music sampling in hip hop. It defines copyright and explains that copyright protects original creative works like songs and gives copyright holders exclusive rights for the lifetime of the creator plus 70 years. Sampling involves incorporating portions of prior recordings into new works. While sampling has a history in folk music, it is widely used in hip hop. Producers must obtain permission to use samples due to copyright, otherwise they can face penalties. The document outlines various hardware and software tools used for sampling and techniques employed by famous producers.