explores hip hop music, defining it as a musical genre born in the United States in the late 1960s. It describes its cultural origins in New York's African American and Latin American communities, highlighting the four key elements that define it: MCing/rap, DJing/scratching, break dancing and graffiti. In addition, it traces the evolution of hip hop from its beginnings in 1970s block parties to its global diversification and the emergence of various subgenres such as gangsta rap, trap and mumble rap. It also examines the etymology of the term and the musical and technological influences that contributed to its development, including the Jamaican roots of outdoor sound systems.