FILE - In this Jan. 27, 2010 file photo, Bobby McFerrin performs at the jazz festival in Kiev, Ukraine. Paul Simon probably never had a vocal partner quite like Bobby McFerrin, who coaxed him onstage ... more 
FILE - In this Jan. 27, 2010 file photo, Bobby McFerrin performs at the jazz festival in Kiev, Ukraine. Paul Simon probably never had a vocal partner quite like Bobby McFerrin, who coaxed him onstage for an impromptu performance of a Simon and Garfunkel hit _ the highlight of opening night of Jazz at Lincoln Center's 25th anniversary season, Friday, Sept. 14, 2012 in New York. (AP Photo/Efrem Lukatsky, File) less 
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Associated Press | Photo By Efrem Lukatsky, File
Fri, Sep 14, 2012 10:42 PM EDT