A Review by Melissa Compton. Guys and Dolls Jr was performed at the YMCA, Cardiff, directed and produced by Osian Rhys and presented by arrangement with Music Theatre International (Europe). The only thing small about this performance is the ticket price. This group of extremely talented young people put on an incredible performance. The crowd was friendly and excited as they filled the seats closest to the stage, the lights dimmed and the red curtains were drawn to reveal a…