Artists include Bob Wills, Moon Mullican, Cliff Bruner, Spade Cooley Western Swing was the most eclectic form of country music and in its free-wheeling diversity, it set the stage for rock & roll. Based in traditional string band music, Western swing also incorporated traditional pop melodies, jazz improvisation, blues and folk, creating a wildly entertaining and eclectic form of American music. Bob Wills and Milton Brown popularized the genre in the '30s, and Wills became known as the father of the genre, since he remained popular for several decades, during which he had a remarkable string of hit singles. Proper. 2006