Nothing else happens while entrance music is playing. The world goes into stasis and everyone follows a Pavlovian instinct to watch the ramp.
Chairmen, General Managers, Commissioners, etc., are either morally retarded, desperate to damage their own top draws, astoundingly incompetent, or any combination of the three, and thus unfit to be put in charge of the night shift of Denny's, much less a national "sporting" organization.