Simmons and McDaniels developed a distinctive style that was sparse and heavily rhythmic, and that often had a sly sense of humor.

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"For Jay, this would be a crowning achievement of what a culture and an art form was able to accomplish, " McDaniels says.

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"We went to the backstage door for a sound check, " McDaniels says.

NPR: RUN DMC Crashes Rock's Hall Of Fame, Again

Harbaugh, to the cost-conscious 49ers or the Broncos, still paying two former coaches Mike Shanahan and Josh McDaniels, represented exciting and relatively cost effective star power.

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"They heard the name RUN DMC, " McDaniels says.

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Two other factors to consider: Offensive coordinator Josh McDaniels drafted Tebow out of Florida while he was the coach in Denver, and being able to tweak the Jets always makes Belichick grin a little under his hoodie.

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