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A cappella is as popular as ever, and who knows that better than Deke Sharon. He is the vocal producer for the a cappella competition TV show "The Sing-Off." He also directed the live "Sing-Off" show which is currently touring the country.
As Deke Sharon told Here & Now's Robin Young, movie musicals and a cappella have experienced a renaissance because "so much in music now has become mechanized, there's almost robotic tuning and lots of synthesizers," so people respond to "the human voice and the connection that people feel when they hear someone singing from the heart."
This segment aired on April 8, 2015.