There will be a folk concert at Sun Music Company on Saturday, December 1st, at 8 in the evening. That's at 340 East 71st Street on the Upper East Side, close to 1st Avenue. For just 10 dollars you get to hear four really good and very different but typical New York folkies. They are Frank Woerner, Steve Suffet, Jessica Feinbloom, and Joel Landy. Joel is the host of a folk show on cable television and has mostly a liberal-left political following. Jessica is this a woman with a big booming voice and who does a lot of gospel stuff. Frank is a chanteyman who plays concertina. And Steve is -- well he's Steve and you'll never know what you'll get.