Uncle Slayton's is the venue to hear the John Cowan Band this time through town, on January 21. Cowan, known for his vocal work with Newgrass Revival , is a soul and R&B singer at heart who has played bass with the Doobie Brothers . Nevertheless, for this trip, he returns to his newgrass style with a new CD, The Massenburg Sessions . Expect some Newgrass shout-outs as well as material from the new CD plus a surprise or two. Tickets are $15.