Once they called it ragtime And it had its fling It's the same old syncopation Now they call it swing Then they played it jazz time To a buck and wing Once again it sweep the nation Now they call it swing When singers used to sing They would go hot cha But with this modern thing Now they go dru, du du, dra, da da Rhythm has its seasons Summer, fall and spring But for seven silly reasons Someone pulled the string And they started dancing Now they call it swing