LEWISTSON – Advocates for Children will present an evening with singer and musician Matt Loosigian of the Bath area Wednesday, April 18, at the Lewiston Public Library. He teaches peace, compassion and environmental justice through silliness and song. This family-focused musician will perform from 6 to 7 p.m. in the Marsden Hartley Cultural Center. The event is free but registration is required. Call Advocates For Children at 783-3990.