For more than 20 years, solo artists and friends Lucy Kaplansky and Richard Shindell have been creating harmonious folk music on their own, and have even contributed to each other’s albums. They always talked about joining forces, but commitments somehow got in the way, until now. Funded with an online campaign last year, Kaplansky and Shindell finally got in the recording studio together and formed the duo the Pine Hill Project, and this week the two share the stage for a night of classic covers and their own original tunes. The Pine Hill Project appears on Saturday, May 16, at City Winery, 1030 Main St., Napa. 8pm. $26–$32. 707.260.1600.