"The daily trading of the Dow Jones industrial average determines the songwriting here, translating the ups and downs of 2010’s market into musical notes. Using a five-note scale spanning three octaves, pitch is determined by each day’s closing level."
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjucydAV2yKdboZN4dqfhfPuon9tNx9Mz-vbZajZuZEXVhyphenhyphenQlzY8q2jsDE0tMYuQOf-YNQZbj07zEcmcft3SAEG7HxLMTEhzmM6xajbAFxMkHkM_BBbQPjlmwxK-9w3SooVA1D-INlW48U/s400/dowpiano.jpg)
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