Rock music roll, which originated in the United States during the late 1940s and early 1950s, and quickly spread to much of the rest of the world. Its immediate origins lay in a melding of various black musical genres of the time, including rhythm and blues and gospel music, with country and western. In 1951, Cleveland, Ohio disc jockey Alan Freed began playing rhythm and blues music (then termed "race music") for a multi-racial audience, and is credited with first using the phrase "rock and roll" to describe the music. Debate surrounds which record should be considered the first rock and roll
Origins of rock and roll swing your partners" in "West Coast Blues", which in turn formed the basis of "Old Country Rock" by William Moore the following year. Also in 1927, traditional country musician Uncle Dave Macon, with his group the Fruit Jar Drinkers, recorded "Sail Away Ladies" with a refrain of "Don't she rock, daddy-o", and "Rock About My Saro Jane". Duke Ellington recorded "Rockin' in Rhythm" in 1928, and Robinson's Knights of Rest recorded "Rocking and Rolling" in 1930. In 1932, the phrase "rock and roll" was heard in the Hal Roach film "Asleep in the Feet". In 1934, the Boswell Sisters had