You have to get out of Chicago and come to Illinois :biglaugh:
That's a rural southern thing, usually in very, very conservative churches. An awful lot of those services end with an altar call, accompanied by all 25 verses (I keed, I keed!) of Just As I Am.
At our house we used to watch the first 20 minutes or so of Jimmy Swaggart - you know, the part that was all music. Once he started preaching we changed the station.