Scene of Taekwondo Aerobic by Acme Tkd (Junior: Grayce Tan, Kang Jun Jie, Xavier Tan, Chloe Lai & Megan Chin) in the 3rd National Demonstration Championships which was helded on 12 October 2014 at the Toa Payoh Sports Hall, Singapore. Choreographer: Grayce Tan. Song title: Problem (Akiana Grande). (2014 / 1.3mins)