This year, they include local actor, writer and mime Eliot Fintushul playing an unusual electronic instrument called a Theremin. He explains and demonstrates how it works in this archival North Bay Report from 2007.
Tickets for the current OAEC Chataqua performances can be purchased here, as long as any remain available.
Eliot Fintushul demonstrates his ability to perform classical compositions on the theremin in the video below.