Rap Music, and the culture that surrounds rapping itself, hip-hop, is a genre of music and a lifestyle which originated in the housing projects of New York City, New York in the late 1970s but which now has global influence. While not without controversy and numerous critics, rap music has emerged as one of the most popular musical forms in the world. Its reach and longevity have been much greater that most expected when it was a New York City street phenomenon in the late 1970s.
Although no single individual can claim credit for the founding of rap music or the hip hop culture, New York DJ (disc-jockey) Kool Herc is generally considered the most important figure in the early years of the genre. As a DJ Kool Herc would sample the danceable parts of jazz and funk records, typically the parts featuring drums and a consistent rhythm. These parts were inspired by and helped inspire a new kind of dancing called break-dancing. Kool Herc named the people who would break dance to his music "B-Boys," which was short for break-boys. Kool Herc also spoke and rhymed over the songs he played, which was one of the earliest versions of rapping in the hip-hop style
More here. (Note: Throughout February, at least one post will be dedicated to honor Black History Month)