Keillor and crew prepare to say goodbye to St. Paul's Prairie Home

6:01 p.m. Friday: Run through with house band
6:01 p.m. Friday: Garrison Keillor runs through a song with the house band, as fiddle and mandolin player Richard Kriehn and guitarist Chris Siebold harmonize behind him. He has spent the day writing scripts at home and arrived just after 5; the band has been rehearsing most of the afternoon.