Modern-dance ensemble to perform April 25, 26 The Middlesex County College Dance Ensemble will present its Spring Dance Concert at 7 p.m. onApril 25 and 26 in the Performing Arts Center on the college's Edison campus. Aimee Mitacchione is artistic director and choreographer of the modern-dance ensemble. Dances choreographed by several students - Jessica Teeple, Mark Suarez, Amanda Cathcart, Elba Santana, Raven Dunbar, Katie Farley, Marisa Allegretto andAlicia Pagan- also will be performed. The piece choreographed by Mitacchione, a professor of dance at Middlesex, is an abstraction of a Morris Louis painting titled "Saf Gimmel." Admission is free of charge.