Here's a You Tube link to an extended version of the theme.

http://www.youtube.com/user/235Schultzy#p/u/5/QpuzVW6Thyg

This is not the first time that I have heard the background
        music for the World Series (when the teams change innings, etc.
        Does anybody know the name of the instrumental that is playing
        and whose recording it is?  Any help would be appreicated. 
        Thanks.........AnnaMay