: Originally a nautical term describing a ship’s movement, "rocking and rolling" became a double entendre in early 20th-century African-American vernacular, referencing both spiritual fervor and sexual analogy.
: Cleveland DJ Alan Freed is widely credited with coining the term for mainstream audiences in 1951 to describe the R&B records he played, helping to break down racial barriers in pop culture. Core Musical Features rock and roll
While the genre has evolved into countless subgenres, the classic rock and roll sound is defined by specific technical elements: : Originally a nautical term describing a ship’s