After 15 years, Wynne Delacoma packs it in as music critic of the Chicago Sun-Times. “I joined the Sun-Times just before Halloween in 1990 and inherited the critic’s post the following April Fool’s Day. Goblins and tricksters, not the most auspicious omens for major career changes. But on my watch, benevolent forces far outweighed evil influences on Chicago’s classical music scene.”