A passerby plays a song on a piano in Central Square in Cambridge, Massachusetts September 27, 2013. Celebrity Series of Boston is presenting "Play Me, I'm Yours: the Street Pianos Boston Festival" ... more 
A passerby plays a song on a piano in Central Square in Cambridge, Massachusetts September 27, 2013. Celebrity Series of Boston is presenting "Play Me, I'm Yours: the Street Pianos Boston Festival" through October 14, with 75 pianos decorated by a variety of artists located in public spaces in Boston, Cambridge, Somerville and Brookline, for anyone to play. REUTERS/Brian Snyder (UNITED STATES - Tags: SOCIETY) less 
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Reuters | Photo By BRIAN SNYDER / REUTERS
Fri, Sep 27, 2013 7:09 PM EDT