Gloria Tang Tsz-kei, also known by her stage name G.E.M., is a Chinese singer-songwriter and actress. Mandylights were asked to provide lighting design for her enormous X.X.X. Live Stadium tour which played over a hundred stadiums and arenas across China, Europe, the US and Australia for almost three years. Not only content with the lighting rig that could feature over a thousand moving lights, Mandylights also provided video server programming and rental and designed the deployment of over a quarter of a million LED wristbands which were programmed to match the lighting content of the stage.