9210  A MUSICAL VISIT TO LOUISVILLE, KENTUCKY  Diane Bish tours Louisville including visits to Churchill Downs, the Louisville Zoo, and a trip on board the "Belle of Louisville" steamboat where she interviews the Steam Calliopist.  Opera soprano Marilyn Mims joins Diane Bish in Mozart "Alleluia."  Music includes:  "My Old Kentucky Home," "Camptown Races," "Amazing Grace," Young's "Prelude in Classic Style," and Stanley "Trumpet Tune.