Doo-wop - Wikipedia Doo-wop (also spelled doowop and doo wop) is a genre of rhythm and blues music that originated in African-American communities during the 1940s, mainly in the large cities of the United States, including New York, Philadelphia, Pittsburgh, Chicago, Baltimore, Newark, Detroit, Washington, DC, and Los Angeles. It features vocal group harmony that carries an engaging melodic line to a simple beat ...