While I was guest-preaching in a church in Mississippi,
the pastor announced that their prison quartet
would be singing the following evening. I wasn't
aware there was a prison in the vicinity and I
looked forward to hearing them.

The next evening, I was puzzled when four members
of the church approached the stage. Then the pastor
introduced them.

"This is our prison quartet," he said, "behind a few
bars and always looking for the key."