Between 1850 and about 1900, the LEAST popular kind of play in commercial theatres were

Margaret Bourke-White's Louisville Flood Victims is an iconic image of

urban squalor at the turn of the century. the Depression in the United States. postwar rural America. the effects of climate change.

Which of the following involved the technique of creatively altering and syncopating an existing piece of music?

a. Heterophony b. Double timing c. Ragging d. Riffing