John York is a singer, composer and instrumentalist well-known as a former member of the Byrds with Roger McGuinn, Clarence White and Gene Parsons. He was a member of the Sir Douglas Quintet (with Dr. John) and The Mamas and The Papas touring band. He played bass for Johnny Rivers and Lightnin’ Hopkins. He performs solo or with his own band, The Jangle Brothers. Mr. York will perform this Saturday at a Gelencser House Concert.