The ragtime progression Fahey, John (1970). Charley Patton, p.45. London: Studio Vista. Cited in van der Merwe (1989). is a chord progression typical of ragtime music and parlour music genres though its use originated in classical music and spread to American folk music:
and its close variants.van der Merwe, Peter (1989). Origins of the Popular Style: The Antecedents of Twentieth-Century Popular Music, p.321. Oxford: Clarendon Press. ISBN 0-19-316121-4.