MIDDLEBURY — Faculty members of Pianos on the Point, a new program for serious adult piano students at Point CounterPoint Camp on Lake Dunmore, will perform a concert of solo and four-hand music at the Champlain Valley Unitarian Universalist Society, 2 Duane Court, in Middlebury, on Friday, Sept. 6, at 7:30 p.m.  Featured pianists are Diana Fanning, Arielle Levioff, and Michael C. Haigler.  This performance is sponsored by Point CounterPoint Chamber Music Camp.  Admission is free, donations appreciated.