SEOUL - South Korean singer-actor Ivy said Tuesday she hopes her upcoming Broadway debut in the musical "Chicago" will serve as an opportunity for American audiences to open up toward Korean musicals.The 44-year-old is set to take on the role of Roxie Hart in the iconic musical scheduled to run at the Ambassador Theatre in New York from Aug. 17 through Sept. 6, following a yearlong auditioning process."It's been 16 years since I made my musical debut. I'm old, and I don't speak English well, but I think this huge opportunity came because I stuck with one path for a long time," she told repo…READ FULL ARTICLE