After the huge success of recent shows in Venice, London and Paris, interest in Outsider Art has never been higher. But what exactly is it? How do we define it? And who are its gurus and leading lights? Alan Yentob explores this captivating, compelling and magical alternative art universe. Why in 2013 is Outsider Art finally being feted by the art establishment, and what took it so long? imagine... embarks on a worldwide journey to meet some visionary creators, and their equally obsessive collectors and enthusiasts.

这部由BBC一台制作的纪录片属于Alan Yentob制作的Imagine系列单元之一，试图揭开钢琴家郎朗非凡成功的背后故事，他如何成长，他的天才是如何培育，是什么样的环境造就了郎朗？