Participants make satisfactory progress each time according to their levels of artistic practise and development. They are of different ages (8 to 86)and from all walks of life and nationalities. They are from Singapore, Netherlands, India, China, Myanmar, Indonesia, Costa Rica, Britain, Portugal, Malaysia, Korea, Japan, Serbia, Italy, Philippines, France, Canada, USA, Kazakhstan, Taiwan and Australia so far. (Age above 15 is not mentioned below.)