On today’s date, 42 years ago, “Rapper’s Delight” became Hip-Hop’s first Top 40 single. “Rapper’s Delight” was released by Englewood, New Jersey’s Sugarhill Gang in August of 1979. As one of  Hip Hop’s earliest relics, this single, written by The Cold Crush Brothers’ own Grandmaster Caz, is credited with bringing the art of rap to a multicultural mainstream audience. In the ’70s, …