Dow Piano

The Dow Piano audiovisualizes the ups and downs of 2010 into musical notes. Using a five-note scale spanning three octaves, pitch is determined by the daily closing numbers of the Dow Jones Industrial Average. The variance in volume mirrors the trading volume changes throughout the year. The notes are clustered in series of five, representing Mondays through Fridays. The weeks are punctuated, separated, and started by drum hits. Follow along with the graph to experience the market in a (somewhat) musical way. Created by Bard Edlund.

Dow Piano

(thank you Dominique)

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  1. I prepared a similar visualization for a revision control system:

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