This choir sings in harmony from their cars to keep everyone safe

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Because singing in groups can create a potential super-spreader event amid the coronavirus epidemic, choir practice for Boston’s Chorus pro Musica has been moved outside with members singing in their cars. And the idea is catching on: The engineer who helped set it up is posting how-to videos so others can hack their way to harmonic convergence. NBC’s Harry Smith has this week’s Sunday Spotlight.