Desperate Man Blues. He's currently doing a weekly radio show which you can hear as a podcast. It's called Country Classics but it also features hot jazz, blues and in the one I've just been listening to, he played a flamenco recording from 1930. In fact pretty much anything Joe plays comes off a 78 and was released during that small time window that started in 1928 and ended with the Depression.
Joe hasn't got an awful lot to say about the music. In fact he's at his most eloquent when he's just dissolving into delighted giggles over some ancient track by Uncle Dave Macon or the Carter Family. He reads out listeners emails as if email had just been invented. One of them came from a listener in Atlanta who said he liked to listen while in traffic jams. "Yup, I heard of them traffic jams," says Joe, who clearly doesn't intend to experience one for himself. More power to him.