Hip hop's early evolution occurred as sampling technology and drum machines became widely available and affordable.

At block parties, DJs played percussive breaks of popular songs using two turntables and a DJ mixer to be able to play breaks from two copies of the same record, alternating from one to the other and extending the 'break'. Hip hop as both a musical genre and a culture was formed during the 1970s when block parties became increasingly popular in New York City, particularly among African American youth residing in the Bronx.

The term hip hop music is sometimes used synonymously with the term rap music, though rapping is not a required component of hip hop music the genre may also incorporate other elements of hip hop culture, including DJing, turntablism, scratching, beatboxing, and instrumental tracks.

While often used to refer solely to rapping, 'hip hop' more properly denotes the practice of the entire subculture. Other elements include sampling beats or bass lines from records (or synthesized beats and sounds), and rhythmic beatboxing. It was developed as part of hip hop culture, a subculture defined by four key stylistic elements: MCing/rapping, DJing/ scratching with turntables, break dancing, and graffiti art. According to the professor Asante of African American studies at Temple University, 'hip hop is something that blacks can unequivocally claim as their own '. This genre of music originated as anti-drug and anti-violence, while consisting of stylized rhythmic music (usually built around drum beats) that commonly accompanies rapping, a rhythmic and rhyming speech that is chanted. Hip hop music or hip-hop music, also known as rap music and formerly known as disco rap, is a genre of popular music that originated in the Bronx borough of New York City in the early 1970s by African Americans, and it had been around for years prior before mainstream discovery.

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