(DC) (Tregaron Conservancy) Step into a world of serene natural beauty, community and culture, with Tregaron Unplugged, presented by Washington Performing Arts/Mars Arts D.C. This intimate concert features a series of outdoor “listening rooms,” showcasing a variety of unique ensembles, including a R&B/jazz duo, a classical Indian sitar/guitar duo, folk duo, and classical chamber group. Hear a captivating blend of ...