Black Label Society, Zakk Sabbath, and Dark Chapel share a heavy-metal bill at Chicago’s historic Aragon Ballroom, delivering an evening of riff-driven rock and Sabbath-inspired songs. The lineup pairs Zakk Wylde’s main band Black Label Society with his Black Sabbath tribute project Zakk Sabbath, joined by support from Dark Chapel for a night aimed at fans of heavy, guitar-led metal.