James "Jamie" Stachler, left, adjusts the volume on his disc jockey equipment at the completion of a self-advocacy conference this week at St. John Lutheran Church in Celina. Joining him for the final song are fellow speakers Tim Wurster, center, and Derek Mortland, artist services coordinator for VSA Ohio, a statewide service organization for artists with disabilities. The event was sponsored by the Mercer County Board of Developmental Disabilities.