Go to http://www.corporatevocabulary.com for the complete lesson on Service Mark and a full course to give you the vocabulary and communication skills of a six-figure earner. In this video we teach you the definition of Service Mark.
Biography. Elvis Presley was rock & rollâs first real star, not to mention one of the most important cultural forces in history, a hip-shaking symbol of liberation for the staid America of the 1950s.
Alan Freed, the Cleveland disc jockey credited with coining the phrase rock and roll, was the master of ceremonies at many of the first rock concerts, including his 1955 Easter Jubilee. The roots of rock and roll lay in African American blues and gospel.