CALLICOON, NY — Guitarist Randall Williams, a classically trained musician who left the world of classical music to travel with his guitar, sing and play on street corners and in cafés and pubs, as well as at the Fine Arts Palace in Brussels, Belgium and the Kennedy Center in Washington, DC, will perform at a house concert in Callicoon on Saturday, August 31 at 7 p.m. The concert will be preceded by a potluck supper at 6 p.m.

The evening at Jeff Moore’s is presented by RiverFolk Concerts. The suggested donation is $15. There also will be a raffle to benefit Delaware Highlands Conservancy.

For reservations, call 845/252-6783. Visit www.riverfolkconcerts.vpweb.com.