The massive museum, a modern structure of grey bricks and white-painted cement, stands a little abruptly, halfway up Xiayun Mountain, in Fangshang County, in western skirts of Beijing. It is the ‘Without the Communist Party, There Would Be No New China Museum’, dedicated entirely to this revolutionary song. On a recent sunny afternoon, when a friend and I descended – or should I say ascended as the mountain, at 2161 meter above sea level, is known as ‘the roof of Beijing’ – we found ourselves the only visitors. The spacious car park was empty. Yiaotangshang, a quiet mountain village, isn’t on any tourist map. Now it is poised to go down in history as the birthplace of the most famous revolutionary song in China. The museum complex felt like...