Two Trains – Sonification of Income Inequality on the NYC Subway

“This song emulates a ride on the New York City Subway’s 2 Train through three boroughs: Brooklyn, Manhattan, and the Bronx. At any given time, the quantity and dynamics of the song’s instruments correspond to the median household income of that area.

Read more about the composition and process of creating this song here:

Data-Driven DJ ( by Brian Foo ( is a series of music experiments that combine data, algorithms, and borrowed sounds.”

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