Web extra:

Web extra: "Let me buy a cheap acoustic guitar and let me play"

July 28, 2012 10:35 AM

For some inmates in the Sing Sing maximum security prison, peer pressure works in a positive way. Denis Martinez was persuaded to take part in a Carnegie Hall outreach program designed to help them change their lives via music. Now, he says playing an instrument gives him discipline and ultimately helps him change his ways.

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