Jump blues is a musical subgenre that emerged from the Blues and the Boogie-Woogie in the late 1930s in the United States. In those years, the sound of the blues was urbanized in a mixture of classic blues with humorous lyrics and rhythms inherited from the Swing Music. It was popular in the 1940s and was a precursor of rhythm and blues and rock and roll, blues rock, electric blues, rock music.