This project is a visual study of the history and evolution of sampling in hip-hop. Samples are considered to be the core of hip-hop songs and the art of sampling is one of the foundations of hip-hop. This interactive system explores and highlights the evolution in sampling as well as providing information. The user can compare and analyze the use of sampling or just look up statistics. He or she can also explore the different usage of sampling by year or era in hip-hop or by genre or year.