STEVE INSKEEP, HOST:
Good morning. I'm Steve Inskeep.
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UNIDENTIFIED CHILD: (Crying).
INSKEEP: Every parent finds ways to soothe a crying baby. You have to swaddle them tightly, rock them gently or copy the father who posted this video.
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UNIDENTIFIED CHILD: (Crying).
INSKEEP: The song "Psychosocial" by Slipknot seems to work surprisingly well. His infant stopped crying after hearing music that reviewers describe as industrial drum banging with power drill guitar riffs. It's MORNING EDITION. Transcript provided by NPR, Copyright NPR.