Claim: Rock music incorporated styles from other American music genres.
Evidence: Rock music also drew strongly on a number of other genres such as electric blues and folk , and incorporated influences from jazz , classical and other musical styles.
Blues is a genre and musical form originated by African Americans in the Deep South of the United States around the end of the 19th century.
Jazz is a music genre that originated in African American communities of New Orleans , United States , in the late 19th and early 20th centuries , and developed from roots in blues and ragtime.